20251324012 has 24 divisors (see below), whose sum is σ = 36311163840. Its totient is φ = 9876800640.

The previous prime is 20251324007. The next prime is 20251324013. The reversal of 20251324012 is 21042315202.

It is a happy number.

It is a super-2 number, since 2×20251324012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20251324013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264189 + ... + 1280107.

It is an arithmetic number, because the mean of its divisors is an integer number (1512965160).

Almost surely, 2^20251324012 is an apocalyptic number.

It is an amenable number.

20251324012 is a deficient number, since it is larger than the sum of its proper divisors (16059839828).

20251324012 is a wasteful number, since it uses less digits than its factorization.

20251324012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23721 (or 23719 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20251324012 its reverse (21042315202), we get a palindrome (41293639214).

The spelling of 20251324012 in words is "twenty billion, two hundred fifty-one million, three hundred twenty-four thousand, twelve".