20123202 has 16 divisors (see below), whose sum is σ = 43905312. Its totient is φ = 6097920.

The previous prime is 20123179. The next prime is 20123231. The reversal of 20123202 is 20232102.

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, 152383 + ... + 152514.

It is an arithmetic number, because the mean of its divisors is an integer number (2744082).

Almost surely, 2^20123202 is an apocalyptic number.

20123202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20123202 is an abundant number, since it is smaller than the sum of its proper divisors (23782110).

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

20123202 is a wasteful number, since it uses less digits than its factorization.

20123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304913.

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

The square root of 20123202 is about 4485.8892095102. The cubic root of 20123202 is about 271.9979905417.

Adding to 20123202 its reverse (20232102), we get a palindrome (40355304).

Subtracting 20123202 from its reverse (20232102), we obtain a square (108900 = 330²).

The spelling of 20123202 in words is "twenty million, one hundred twenty-three thousand, two hundred two".