20077796 has 12 divisors (see below), whose sum is σ = 35183148. Its totient is φ = 10025472.

The previous prime is 20077769. The next prime is 20077807. The reversal of 20077796 is 69777002.

It can be written as a sum of positive squares in 2 ways, for example, as 18800896 + 1276900 = 4336^2 + 1130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 6356.

It is an arithmetic number, because the mean of its divisors is an integer number (2931929).

Almost surely, 2^20077796 is an apocalyptic number.

It is an amenable number.

20077796 is a deficient number, since it is larger than the sum of its proper divisors (15105352).

20077796 is a wasteful number, since it uses less digits than its factorization.

20077796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718 (or 6716 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 20077796 is about 4480.8253703977. The cubic root of 20077796 is about 271.7932576911.

The spelling of 20077796 in words is "twenty million, seventy-seven thousand, seven hundred ninety-six".