20105025552252 has 36 divisors (see below), whose sum is σ = 50841021722400. Its totient is φ = 6699039811392.

The previous prime is 20105025552247. The next prime is 20105025552299. The reversal of 20105025552252 is 25225552050102.

20105025552252 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 50 + 2 + 5 + 552 + 2 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109714377 + ... + 109897472.

It is an arithmetic number, because the mean of its divisors is an integer number (1412250603400).

Almost surely, 2^{20105025552252} is an apocalyptic number.

It is an amenable number.

20105025552252 is an abundant number, since it is smaller than the sum of its proper divisors (30735996170148).

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

20105025552252 is a wasteful number, since it uses less digits than its factorization.

20105025552252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219614402 (or 219614397 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 20105025552252 in words is "twenty trillion, one hundred five billion, twenty-five million, five hundred fifty-two thousand, two hundred fifty-two".