20607774376 has 48 divisors (see below), whose sum is σ = 47313784800. Its totient is φ = 8367063264.

The previous prime is 20607774371. The next prime is 20607774409. The reversal of 20607774376 is 67347770602.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (20607774371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1375996 + ... + 1390891.

It is an arithmetic number, because the mean of its divisors is an integer number (985703850).

Almost surely, 2^20607774376 is an apocalyptic number.

It is an amenable number.

20607774376 is an abundant number, since it is smaller than the sum of its proper divisors (26706010424).

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

20607774376 is a wasteful number, since it uses less digits than its factorization.

20607774376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766926 (or 2766915 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 49.

The spelling of 20607774376 in words is "twenty billion, six hundred seven million, seven hundred seventy-four thousand, three hundred seventy-six".