20620800250245 has 48 divisors (see below), whose sum is σ = 38653215793920. Its totient is φ = 10109302455168.

The previous prime is 20620800250181. The next prime is 20620800250301. The reversal of 20620800250245 is 54205200802602.

20620800250245 is a `hidden beast` number, since 2 + 0 + 620 + 8 + 0 + 0 + 2 + 5 + 0 + 24 + 5 = 666.

It is not a de Polignac number, because 20620800250245 - 2⁶ = 20620800250181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73603347 + ... + 73882976.

It is an arithmetic number, because the mean of its divisors is an integer number (805275329040).

Almost surely, 2^{20620800250245} is an apocalyptic number.

It is an amenable number.

20620800250245 is a deficient number, since it is larger than the sum of its proper divisors (18032415543675).

20620800250245 is a wasteful number, since it uses less digits than its factorization.

20620800250245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147486586 (or 147486583 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 20620800250245 in words is "twenty trillion, six hundred twenty billion, eight hundred million, two hundred fifty thousand, two hundred forty-five".