20307320476470 has 64 divisors (see below), whose sum is σ = 54153565079040. Its totient is φ = 5415214413024.

The previous prime is 20307320476459. The next prime is 20307320476517. The reversal of 20307320476470 is 7467402370302.

20307320476470 is a `hidden beast` number, since 2 + 0 + 307 + 3 + 204 + 76 + 4 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 31 ways as a sum of consecutive naturals, for example, 22023847 + ... + 22927373.

It is an arithmetic number, because the mean of its divisors is an integer number (846149454360).

Almost surely, 2^{20307320476470} is an apocalyptic number.

20307320476470 is an abundant number, since it is smaller than the sum of its proper divisors (33846244602570).

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

20307320476470 is a wasteful number, since it uses less digits than its factorization.

20307320476470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986786 (or 986780 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 45.

The spelling of 20307320476470 in words is "twenty trillion, three hundred seven billion, three hundred twenty million, four hundred seventy-six thousand, four hundred seventy".