20365430 has 16 divisors (see below), whose sum is σ = 36769680. Its totient is φ = 8121312.

The previous prime is 20365421. The next prime is 20365447. The reversal of 20365430 is 3456302.

It is a junction number, because it is equal to n+sod(n) for n = 20365396 and 20365405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 6404.

It is an arithmetic number, because the mean of its divisors is an integer number (2298105).

Almost surely, 2^20365430 is an apocalyptic number.

20365430 is a deficient number, since it is larger than the sum of its proper divisors (16404250).

20365430 is a wasteful number, since it uses less digits than its factorization.

20365430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 20365430 is about 4512.8073302546. The cubic root of 20365430 is about 273.0850097758.

The spelling of 20365430 in words is "twenty million, three hundred sixty-five thousand, four hundred thirty".