20351632551360 has 224 divisors, whose sum is σ = 70495443569664. Its totient is φ = 4933393920000.

The previous prime is 20351632551359. The next prime is 20351632551373. The reversal of 20351632551360 is 6315523615302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178417545 + ... + 178531575.

Almost surely, 2^{20351632551360} is an apocalyptic number.

20351632551360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20351632551360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35247721784832).

20351632551360 is an abundant number, since it is smaller than the sum of its proper divisors (50143811018304).

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

20351632551360 is a wasteful number, since it uses less digits than its factorization.

20351632551360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130963 (or 130953 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 20351632551360 in words is "twenty trillion, three hundred fifty-one billion, six hundred thirty-two million, five hundred fifty-one thousand, three hundred sixty".