20123503252 has 24 divisors (see below), whose sum is σ = 36799805952. Its totient is φ = 9610524000.

The previous prime is 20123503249. The next prime is 20123503291. The reversal of 20123503252 is 25230532102.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 91524 + ... + 220507.

It is an arithmetic number, because the mean of its divisors is an integer number (1533325248).

Almost surely, 2^20123503252 is an apocalyptic number.

It is an amenable number.

20123503252 is a deficient number, since it is larger than the sum of its proper divisors (16676302700).

20123503252 is a wasteful number, since it uses less digits than its factorization.

20123503252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312759 (or 312757 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 20123503252 in words is "twenty billion, one hundred twenty-three million, five hundred three thousand, two hundred fifty-two".