20070668778504 has 32 divisors (see below), whose sum is σ = 50781210167520. Its totient is φ = 6609617830016.

The previous prime is 20070668778497. The next prime is 20070668778533. The reversal of 20070668778504 is 40587786607002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5037816477 + ... + 5037820460.

It is an arithmetic number, because the mean of its divisors is an integer number (1586912817735).

Almost surely, 2^{20070668778504} is an apocalyptic number.

20070668778504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20070668778504 is an abundant number, since it is smaller than the sum of its proper divisors (30710541389016).

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

20070668778504 is a wasteful number, since it uses less digits than its factorization.

20070668778504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10075637029 (or 10075637025 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 60.

The spelling of 20070668778504 in words is "twenty trillion, seventy billion, six hundred sixty-eight million, seven hundred seventy-eight thousand, five hundred four".