20251725232 has 10 divisors (see below), whose sum is σ = 39237717668. Its totient is φ = 10125862608.

The previous prime is 20251725227. The next prime is 20251725233. The reversal of 20251725232 is 23252715202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20251725194 and 20251725203.

It is not an unprimeable number, because it can be changed into a prime (20251725233) by changing a digit.

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 as a sum of consecutive naturals, namely, 632866398 + ... + 632866429.

Almost surely, 2^20251725232 is an apocalyptic number.

It is an amenable number.

20251725232 is a deficient number, since it is larger than the sum of its proper divisors (18985992436).

20251725232 is a wasteful number, since it uses less digits than its factorization.

20251725232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265732835 (or 1265732829 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 20251725232 in words is "twenty billion, two hundred fifty-one million, seven hundred twenty-five thousand, two hundred thirty-two".