20358757572 has 24 divisors (see below), whose sum is σ = 47506312896. Its totient is φ = 6785888928.

The previous prime is 20358757547. The next prime is 20358757577. The reversal of 20358757572 is 27575785302.

It is not an unprimeable number, because it can be changed into a prime (20358757577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282513 + ... + 347175.

It is an arithmetic number, because the mean of its divisors is an integer number (1979429704).

Almost surely, 2^20358757572 is an apocalyptic number.

It is an amenable number.

20358757572 is an abundant number, since it is smaller than the sum of its proper divisors (27147555324).

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

20358757572 is a wasteful number, since it uses less digits than its factorization.

20358757572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90907 (or 90905 counting only the distinct ones).

The product of its (nonzero) digits is 4116000, while the sum is 51.

The spelling of 20358757572 in words is "twenty billion, three hundred fifty-eight million, seven hundred fifty-seven thousand, five hundred seventy-two".