20252969973 has 16 divisors (see below), whose sum is σ = 30009571200. Its totient is φ = 13499652960.

The previous prime is 20252969963. The next prime is 20252969981. The reversal of 20252969973 is 37996925202.

20252969973 is a `hidden beast` number, since 20 + 2 + 529 + 6 + 9 + 97 + 3 = 666.

It is not a de Polignac number, because 20252969973 - 2⁶ = 20252969909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252969963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102808 + ... + 225998.

It is an arithmetic number, because the mean of its divisors is an integer number (1875598200).

Almost surely, 2^20252969973 is an apocalyptic number.

It is an amenable number.

20252969973 is a deficient number, since it is larger than the sum of its proper divisors (9756601227).

20252969973 is a wasteful number, since it uses less digits than its factorization.

20252969973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129289 (or 129283 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 20252969973 in words is "twenty billion, two hundred fifty-two million, nine hundred sixty-nine thousand, nine hundred seventy-three".