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20200219974 = 23211191691773
BaseRepresentation
bin10010110100000001…
…101110010101000110
31221010210021111102100
4102310001232111012
5312332224014344
613140240452530
71313403015414
oct226401562506
957123244370
1020200219974
118626552280
123ab901a146
131b9c00b0ac
14d98b242b4
157d361a569
hex4b406e546

20200219974 has 96 divisors (see below), whose sum is σ = 48127592448. Its totient is φ = 6072552000.

The previous prime is 20200219909. The next prime is 20200219997. The reversal of 20200219974 is 47991200202.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26131852 + ... + 26132624.

It is an arithmetic number, because the mean of its divisors is an integer number (501329088).

Almost surely, 220200219974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200219974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24063796224).

20200219974 is an abundant number, since it is smaller than the sum of its proper divisors (27927372474).

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

20200219974 is a wasteful number, since it uses less digits than its factorization.

20200219974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 20200219974 in words is "twenty billion, two hundred million, two hundred nineteen thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 191 198 382 573 691 773 1146 1382 1546 1719 2073 2101 2319 3438 4146 4202 4638 6219 6303 6957 7601 8503 12438 12606 13914 15202 17006 18909 22803 25509 37818 45606 51018 68409 76527 131981 136818 147643 153054 263962 295286 395943 442929 534143 791886 885858 1068286 1187829 1328787 1451791 1602429 1624073 2375658 2657574 2903582 3204858 3248146 4355373 4807287 4872219 5875573 8710746 9614574 9744438 11751146 13066119 14616657 17626719 26132238 29233314 35253438 52880157 102021313 105760314 204042626 306063939 612127878 918191817 1122234443 1836383634 2244468886 3366703329 6733406658 10100109987 20200219974