20251151472462 has 16 divisors (see below), whose sum is σ = 42634003100160. Its totient is φ = 6395100464952.

The previous prime is 20251151472457. The next prime is 20251151472463. The reversal of 20251151472462 is 26427415115202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20251151472463) 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, 88820839678 + ... + 88820839905.

It is an arithmetic number, because the mean of its divisors is an integer number (2664625193760).

Almost surely, 2^{20251151472462} is an apocalyptic number.

20251151472462 is an abundant number, since it is smaller than the sum of its proper divisors (22382851627698).

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

20251151472462 is a wasteful number, since it uses less digits than its factorization.

20251151472462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177641679607.

The product of its (nonzero) digits is 268800, while the sum is 42.

Adding to 20251151472462 its reverse (26427415115202), we get a palindrome (46678566587664).

The spelling of 20251151472462 in words is "twenty trillion, two hundred fifty-one billion, one hundred fifty-one million, four hundred seventy-two thousand, four hundred sixty-two".