20455201525244 has 12 divisors (see below), whose sum is σ = 35796719817600. Its totient is φ = 10227567291648.

The previous prime is 20455201525207. The next prime is 20455201525273. The reversal of 20455201525244 is 44252510255402.

It is a congruent number.

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, 6966629 + ... + 9457500.

It is an arithmetic number, because the mean of its divisors is an integer number (2983059984800).

Almost surely, 2^{20455201525244} is an apocalyptic number.

It is an amenable number.

20455201525244 is a deficient number, since it is larger than the sum of its proper divisors (15341518292356).

20455201525244 is a wasteful number, since it uses less digits than its factorization.

20455201525244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16735492 (or 16735490 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 20455201525244 in words is "twenty trillion, four hundred fifty-five billion, two hundred one million, five hundred twenty-five thousand, two hundred forty-four".