20871202 has 16 divisors (see below), whose sum is σ = 34255872. Its totient is φ = 9458320.

The previous prime is 20871197. The next prime is 20871209. The reversal of 20871202 is 20217802.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20871209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7188 + ... + 9664.

It is an arithmetic number, because the mean of its divisors is an integer number (2140992).

Almost surely, 2^20871202 is an apocalyptic number.

20871202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20871202 is a deficient number, since it is larger than the sum of its proper divisors (13384670).

20871202 is a wasteful number, since it uses less digits than its factorization.

20871202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 20871202 is about 4568.5010670897. The cubic root of 20871202 is about 275.3272226045.

The spelling of 20871202 in words is "twenty million, eight hundred seventy-one thousand, two hundred two".