20210202 has 32 divisors (see below), whose sum is σ = 46364160. Its totient is φ = 6518880.

The previous prime is 20210189. The next prime is 20210237. The reversal of 20210202 is 20201202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4363 + ... + 7710.

It is an arithmetic number, because the mean of its divisors is an integer number (1448880).

Almost surely, 2^20210202 is an apocalyptic number.

20210202 is an abundant number, since it is smaller than the sum of its proper divisors (26153958).

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

20210202 is a wasteful number, since it uses less digits than its factorization.

20210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115 (or 12109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 20210202 is about 4495.5758251864. The cubic root of 20210202 is about 272.3894094351.

Adding to 20210202 its reverse (20201202), we get a palindrome (40411404).

It can be divided in two parts, 202 and 10202, that added together give a square (10404 = 102²).

The spelling of 20210202 in words is "twenty million, two hundred ten thousand, two hundred two".