20430950 has 24 divisors (see below), whose sum is σ = 38133720. Its totient is φ = 8144000.

The previous prime is 20430941. The next prime is 20430973. The reversal of 20430950 is 5903402.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19541 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (1588905).

Almost surely, 2^20430950 is an apocalyptic number.

20430950 is a deficient number, since it is larger than the sum of its proper divisors (17702770).

20430950 is a wasteful number, since it uses less digits than its factorization.

20430950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20430950 is about 4520.0608402985. The cubic root of 20430950 is about 273.3775541515.

The spelling of 20430950 in words is "twenty million, four hundred thirty thousand, nine hundred fifty".