20346992 has 10 divisors (see below), whose sum is σ = 39422328. Its totient is φ = 10173488.

The previous prime is 20346983. The next prime is 20347007. The reversal of 20346992 is 29964302.

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, 635828 + ... + 635859.

Almost surely, 2^20346992 is an apocalyptic number.

It is an amenable number.

20346992 is a deficient number, since it is larger than the sum of its proper divisors (19075336).

20346992 is a wasteful number, since it uses less digits than its factorization.

20346992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271695 (or 1271689 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 20346992 is about 4510.7640151087. The cubic root of 20346992 is about 273.0025716816.

The spelling of 20346992 in words is "twenty million, three hundred forty-six thousand, nine hundred ninety-two".