20404211174252 has 12 divisors (see below), whose sum is σ = 35725125595656. Its totient is φ = 10197032432640.

The previous prime is 20404211174239. The next prime is 20404211174273. The reversal of 20404211174252 is 25247111240402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268279573 + ... + 1268295660.

It is an arithmetic number, because the mean of its divisors is an integer number (2977093799638).

Almost surely, 2^{20404211174252} is an apocalyptic number.

It is an amenable number.

20404211174252 is a deficient number, since it is larger than the sum of its proper divisors (15320914421404).

20404211174252 is a wasteful number, since it uses less digits than its factorization.

20404211174252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536577248 (or 2536577246 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 20404211174252 in words is "twenty trillion, four hundred four billion, two hundred eleven million, one hundred seventy-four thousand, two hundred fifty-two".