20312202 has 16 divisors (see below), whose sum is σ = 40985280. Its totient is φ = 6710592.

The previous prime is 20312191. The next prime is 20312213. The reversal of 20312202 is 20221302.

It is an interprime number because it is at equal distance from previous prime (20312191) and next prime (20312213).

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, 14302 + ... + 15657.

It is an arithmetic number, because the mean of its divisors is an integer number (2561580).

Almost surely, 2^20312202 is an apocalyptic number.

20312202 is an abundant number, since it is smaller than the sum of its proper divisors (20673078).

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

20312202 is a wasteful number, since it uses less digits than its factorization.

20312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30077.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20312202 is about 4506.9060340770. The cubic root of 20312202 is about 272.8468864610.

Adding to 20312202 its reverse (20221302), we get a palindrome (40533504).

The spelling of 20312202 in words is "twenty million, three hundred twelve thousand, two hundred two".