20362230 has 48 divisors (see below), whose sum is σ = 60506784. Its totient is φ = 4654080.

The previous prime is 20362219. The next prime is 20362231. The reversal of 20362230 is 3226302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20362231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15531 + ... + 16790.

It is an arithmetic number, because the mean of its divisors is an integer number (1260558).

Almost surely, 2^20362230 is an apocalyptic number.

20362230 is an abundant number, since it is smaller than the sum of its proper divisors (40144554).

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

20362230 is a wasteful number, since it uses less digits than its factorization.

20362230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32341 (or 32338 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20362230 is about 4512.4527698359. The cubic root of 20362230 is about 273.0707058336.

Adding to 20362230 its reverse (3226302), we get a palindrome (23588532).

The spelling of 20362230 in words is "twenty million, three hundred sixty-two thousand, two hundred thirty".