20294312 has 8 divisors (see below), whose sum is σ = 38051850. Its totient is φ = 10147152.

The previous prime is 20294297. The next prime is 20294321. The reversal of 20294312 is 21349202.

It can be written as a sum of positive squares in only one way, i.e., 18887716 + 1406596 = 4346^2 + 1186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268387 + ... + 1268402.

Almost surely, 2^20294312 is an apocalyptic number.

It is an amenable number.

20294312 is a deficient number, since it is larger than the sum of its proper divisors (17757538).

20294312 is a wasteful number, since it uses less digits than its factorization.

20294312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536795 (or 2536791 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20294312 is about 4504.9208650097. The cubic root of 20294312 is about 272.7667595082.

The spelling of 20294312 in words is "twenty million, two hundred ninety-four thousand, three hundred twelve".