20914329152 has 56 divisors (see below), whose sum is σ = 44772398136. Its totient is φ = 9656311808.

The previous prime is 20914329133. The next prime is 20914329179. The reversal of 20914329152 is 25192341902.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15172326976 + 5742002176 = 123176^2 + 75776^2 .

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 7 ways as a sum of consecutive naturals, for example, 123683 + ... + 239010.

Almost surely, 2^20914329152 is an apocalyptic number.

It is an amenable number.

20914329152 is an abundant number, since it is smaller than the sum of its proper divisors (23858068984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20914329152 is a wasteful number, since it uses less digits than its factorization.

20914329152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362775 (or 362765 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 20914329152 in words is "twenty billion, nine hundred fourteen million, three hundred twenty-nine thousand, one hundred fifty-two".