20349696 has 36 divisors (see below), whose sum is σ = 54161912. Its totient is φ = 6782976.

The previous prime is 20349683. The next prime is 20349737. The reversal of 20349696 is 69694302.

It is a happy number.

It is a super-2 number, since 2×20349696² = 828220254584832, which contains 22 as substring.

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, 12481 + ... + 14016.

Almost surely, 2^20349696 is an apocalyptic number.

It is an amenable number.

20349696 is an abundant number, since it is smaller than the sum of its proper divisors (33812216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20349696 is an equidigital number, since it uses as much as digits as its factorization.

20349696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26516 (or 26502 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 20349696 is about 4511.0637326467. The cubic root of 20349696 is about 273.0146646445.

The spelling of 20349696 in words is "twenty million, three hundred forty-nine thousand, six hundred ninety-six".