20352541557250 has 256 divisors, whose sum is σ = 46615666406400. Its totient is φ = 6498226944000.

The previous prime is 20352541557247. The next prime is 20352541557253. The reversal of 20352541557250 is 5275514525302.

It is an interprime number because it is at equal distance from previous prime (20352541557247) and next prime (20352541557253).

It is a self number, because there is not a number n which added to its sum of digits gives 20352541557250.

It is not an unprimeable number, because it can be changed into a prime (20352541557253) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5535092412 + ... + 5535096088.

It is an arithmetic number, because the mean of its divisors is an integer number (182092446900).

Almost surely, 2^{20352541557250} is an apocalyptic number.

20352541557250 is an abundant number, since it is smaller than the sum of its proper divisors (26263124849150).

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

20352541557250 is a wasteful number, since it uses less digits than its factorization.

20352541557250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510 (or 6500 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 46.

The spelling of 20352541557250 in words is "twenty trillion, three hundred fifty-two billion, five hundred forty-one million, five hundred fifty-seven thousand, two hundred fifty".