20307357767630 has 32 divisors (see below), whose sum is σ = 36982764786240. Its totient is φ = 8027732966400.

The previous prime is 20307357767617. The next prime is 20307357767663. The reversal of 20307357767630 is 3676775370302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14252570 + ... + 15612509.

It is an arithmetic number, because the mean of its divisors is an integer number (1155711399570).

Almost surely, 2^{20307357767630} is an apocalyptic number.

20307357767630 is a deficient number, since it is larger than the sum of its proper divisors (16675407018610).

20307357767630 is a wasteful number, since it uses less digits than its factorization.

20307357767630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29865884.

The product of its (nonzero) digits is 23337720, while the sum is 56.

The spelling of 20307357767630 in words is "twenty trillion, three hundred seven billion, three hundred fifty-seven million, seven hundred sixty-seven thousand, six hundred thirty".