20744794 has 32 divisors (see below), whose sum is σ = 38071296. Its totient is φ = 8275200.

The previous prime is 20744747. The next prime is 20744803. The reversal of 20744794 is 49744702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23607 + ... + 24469.

It is an arithmetic number, because the mean of its divisors is an integer number (1189728).

Almost surely, 2^20744794 is an apocalyptic number.

20744794 is a deficient number, since it is larger than the sum of its proper divisors (17326502).

20744794 is a wasteful number, since it uses less digits than its factorization.

20744794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 20744794 is about 4554.6453209882. The cubic root of 20744794 is about 274.7702499810.

The spelling of 20744794 in words is "twenty million, seven hundred forty-four thousand, seven hundred ninety-four".