20377064 has 16 divisors (see below), whose sum is σ = 38546820. Its totient is φ = 10097920.

The previous prime is 20377043. The next prime is 20377087. The reversal of 20377064 is 46077302.

It can be written as a sum of positive squares in 2 ways, for example, as 19802500 + 574564 = 4450^2 + 758^2 .

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, 10367 + ... + 12174.

Almost surely, 2^20377064 is an apocalyptic number.

It is an amenable number.

20377064 is a deficient number, since it is larger than the sum of its proper divisors (18169756).

20377064 is a wasteful number, since it uses less digits than its factorization.

20377064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22660 (or 22656 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20377064 is about 4514.0961443018. The cubic root of 20377064 is about 273.1370009232.

The spelling of 20377064 in words is "twenty million, three hundred seventy-seven thousand, sixty-four".