20430692 has 12 divisors (see below), whose sum is σ = 35817600. Its totient is φ = 10197096.

The previous prime is 20430691. The next prime is 20430713. The reversal of 20430692 is 29603402.

It is not an unprimeable number, because it can be changed into a prime (20430691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868 + ... + 6659.

It is an arithmetic number, because the mean of its divisors is an integer number (2984800).

Almost surely, 2^20430692 is an apocalyptic number.

It is an amenable number.

20430692 is a deficient number, since it is larger than the sum of its proper divisors (15386908).

20430692 is a wasteful number, since it uses less digits than its factorization.

20430692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130 (or 9128 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20430692 is about 4520.0323007695. The cubic root of 20430692 is about 273.3764034185.

The spelling of 20430692 in words is "twenty million, four hundred thirty thousand, six hundred ninety-two".