20874704 has 10 divisors (see below), whose sum is σ = 40444770. Its totient is φ = 10437344.

The previous prime is 20874677. The next prime is 20874713. The reversal of 20874704 is 40747802.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 9314704 = 3400^2 + 3052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652319 + ... + 652350.

It is an arithmetic number, because the mean of its divisors is an integer number (4044477).

Almost surely, 2^20874704 is an apocalyptic number.

It is an amenable number.

20874704 is a deficient number, since it is larger than the sum of its proper divisors (19570066).

20874704 is a wasteful number, since it uses less digits than its factorization.

20874704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304677 (or 1304671 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 20874704 is about 4568.8843277107. The cubic root of 20874704 is about 275.3426208873.

The spelling of 20874704 in words is "twenty million, eight hundred seventy-four thousand, seven hundred four".