20251333132051 has 32 divisors (see below), whose sum is σ = 25003399104000. Its totient is φ = 16349634635040.

The previous prime is 20251333132039. The next prime is 20251333132067. The reversal of 20251333132051 is 15023133315202.

It is not a de Polignac number, because 20251333132051 - 2⁹ = 20251333131539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20251333132951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7853665 + ... + 10108546.

It is an arithmetic number, because the mean of its divisors is an integer number (781356222000).

Almost surely, 2^{20251333132051} is an apocalyptic number.

20251333132051 is a deficient number, since it is larger than the sum of its proper divisors (4752065971949).

20251333132051 is a wasteful number, since it uses less digits than its factorization.

20251333132051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17962424 (or 17962410 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 20251333132051 its reverse (15023133315202), we get a palindrome (35274466447253).

The spelling of 20251333132051 in words is "twenty trillion, two hundred fifty-one billion, three hundred thirty-three million, one hundred thirty-two thousand, fifty-one".