20368230 has 16 divisors (see below), whose sum is σ = 48883824. Its totient is φ = 5431520.

The previous prime is 20368223. The next prime is 20368253. The reversal of 20368230 is 3286302.

It is a self number, because there is not a number n which added to its sum of digits gives 20368230.

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, 339441 + ... + 339500.

It is an arithmetic number, because the mean of its divisors is an integer number (3055239).

Almost surely, 2^20368230 is an apocalyptic number.

20368230 is an abundant number, since it is smaller than the sum of its proper divisors (28515594).

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

20368230 is a wasteful number, since it uses less digits than its factorization.

20368230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678951.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20368230 is about 4513.1175477712. The cubic root of 20368230 is about 273.0975244962.

The spelling of 20368230 in words is "twenty million, three hundred sixty-eight thousand, two hundred thirty".