20776713466470 has 64 divisors (see below), whose sum is σ = 54201680789760. Its totient is φ = 5066471023488.

The previous prime is 20776713466433. The next prime is 20776713466589. The reversal of 20776713466470 is 7466431767702.

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, 248900440 + ... + 248983899.

It is an arithmetic number, because the mean of its divisors is an integer number (846901262340).

Almost surely, 2^{20776713466470} is an apocalyptic number.

20776713466470 is an abundant number, since it is smaller than the sum of its proper divisors (33424967323290).

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

20776713466470 is a wasteful number, since it uses less digits than its factorization.

20776713466470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497884469.

The product of its (nonzero) digits is 49787136, while the sum is 60.

The spelling of 20776713466470 in words is "twenty trillion, seven hundred seventy-six billion, seven hundred thirteen million, four hundred sixty-six thousand, four hundred seventy".