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20333011032 = 23324716073739
BaseRepresentation
bin10010111011111100…
…010010000001011000
31221111001010222111200
4102323330102001120
5313120222323112
613201342554200
71316604512355
oct227374220130
957431128450
1020333011032
118694500154
123b35598960
131bc0693099
14dac60d62c
157e00eacdc
hex4bbf12058

20333011032 has 96 divisors (see below), whose sum is σ = 56290291200. Its totient is φ = 6627563712.

The previous prime is 20333011021. The next prime is 20333011067. The reversal of 20333011032 is 23011033302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20333010996 and 20333011014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5436219 + ... + 5439957.

It is an arithmetic number, because the mean of its divisors is an integer number (586357200).

Almost surely, 220333011032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20333011032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28145145600).

20333011032 is an abundant number, since it is smaller than the sum of its proper divisors (35957280168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20333011032 is a wasteful number, since it uses less digits than its factorization.

20333011032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405 (or 5398 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20333011032 its reverse (23011033302), we get a palindrome (43344044334).

The spelling of 20333011032 in words is "twenty billion, three hundred thirty-three million, eleven thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 47 72 94 141 188 282 376 423 564 846 1128 1607 1692 3214 3384 3739 4821 6428 7478 9642 11217 12856 14463 14956 19284 22434 28926 29912 33651 38568 44868 57852 67302 75529 89736 115704 134604 151058 175733 226587 269208 302116 351466 453174 527199 604232 679761 702932 906348 1054398 1359522 1405864 1581597 1812696 2108796 2719044 3163194 4217592 5438088 6008573 6326388 12017146 12652776 18025719 24034292 36051438 48068584 54077157 72102876 108154314 144205752 216308628 282402931 432617256 564805862 847208793 1129611724 1694417586 2259223448 2541626379 3388835172 5083252758 6777670344 10166505516 20333011032