20051796263670 has 96 divisors (see below), whose sum is σ = 52675115324832. Its totient is φ = 5291721639936.

The previous prime is 20051796263621. The next prime is 20051796263687. The reversal of 20051796263670 is 7636269715002.

20051796263670 is a `hidden beast` number, since 2 + 0 + 0 + 5 + 1 + 7 + 9 + 626 + 3 + 6 + 7 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184698724 + ... + 184807256.

It is an arithmetic number, because the mean of its divisors is an integer number (548699117967).

Almost surely, 2^{20051796263670} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20051796263670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26337557662416).

20051796263670 is an abundant number, since it is smaller than the sum of its proper divisors (32623319061162).

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

20051796263670 is a wasteful number, since it uses less digits than its factorization.

20051796263670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129806 (or 129803 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 20051796263670 in words is "twenty trillion, fifty-one billion, seven hundred ninety-six million, two hundred sixty-three thousand, six hundred seventy".