20292929252 has 12 divisors (see below), whose sum is σ = 37381711920. Its totient is φ = 9612440136.

The previous prime is 20292929243. The next prime is 20292929287. The reversal of 20292929252 is 25292929202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133506038 + ... + 133506189.

It is an arithmetic number, because the mean of its divisors is an integer number (3115142660).

Almost surely, 2^20292929252 is an apocalyptic number.

It is an amenable number.

20292929252 is a deficient number, since it is larger than the sum of its proper divisors (17088782668).

20292929252 is a wasteful number, since it uses less digits than its factorization.

20292929252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267012250 (or 267012248 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 20292929252 in words is "twenty billion, two hundred ninety-two million, nine hundred twenty-nine thousand, two hundred fifty-two".