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20003422032 = 24321112628423
BaseRepresentation
bin10010101000010010…
…111111111101010000
31220122001222010101200
4102220102333331100
5311431334001112
613104530431200
71305463165446
oct225022777520
956561863350
1020003422032
118535457050
123a63132500
131b6a3053c9
14d7a936b96
157c11e4cdc
hex4a84bff50

20003422032 has 60 divisors (see below), whose sum is σ = 61071058464. Its totient is φ = 6061642560.

The previous prime is 20003422001. The next prime is 20003422037. The reversal of 20003422032 is 23022430002.

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 = 20003421996 and 20003422014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003422037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6312628 + ... + 6315795.

Almost surely, 220003422032 is an apocalyptic number.

20003422032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20003422032 is an abundant number, since it is smaller than the sum of its proper divisors (41067636432).

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

20003422032 is a wasteful number, since it uses less digits than its factorization.

20003422032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628448 (or 12628439 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20003422032 its reverse (23022430002), we get a palindrome (43025852034).

The spelling of 20003422032 in words is "twenty billion, three million, four hundred twenty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 12628423 25256846 37885269 50513692 75770538 101027384 113655807 138912653 151541076 202054768 227311614 277825306 303082152 416737959 454623228 555650612 606164304 833475918 909246456 1111301224 1250213877 1666951836 1818492912 2222602448 2500427754 3333903672 5000855508 6667807344 10001711016 20003422032