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20325042600 = 2335233875071
BaseRepresentation
bin10010111011011101…
…111000100110101000
31221110111011010212120
4102323131320212220
5313111202330400
613200500111240
71316450003652
oct227335704650
957414133776
1020325042600
11868aa58375
123b32995520
131bbbb33135
14dab5376d2
157de574ca0
hex4bb7789a8

20325042600 has 48 divisors (see below), whose sum is σ = 63007633920. Its totient is φ = 5420011200.

The previous prime is 20325042599. The next prime is 20325042611. The reversal of 20325042600 is 624052302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16936936 + ... + 16938135.

It is an arithmetic number, because the mean of its divisors is an integer number (1312659040).

Almost surely, 220325042600 is an apocalyptic number.

20325042600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20325042600 is an abundant number, since it is smaller than the sum of its proper divisors (42682591320).

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

20325042600 is a wasteful number, since it uses less digits than its factorization.

20325042600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33875090 (or 33875081 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20325042600 its reverse (624052302), we get a palindrome (20949094902).

The spelling of 20325042600 in words is "twenty billion, three hundred twenty-five million, forty-two thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 33875071 67750142 101625213 135500284 169375355 203250426 271000568 338750710 406500852 508126065 677501420 813001704 846876775 1016252130 1355002840 1693753550 2032504260 2540630325 3387507100 4065008520 5081260650 6775014200 10162521300 20325042600