21410202 has 16 divisors (see below), whose sum is σ = 46713312. Its totient is φ = 6487920.

The previous prime is 21410189. The next prime is 21410219. The reversal of 21410202 is 20201412.

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, 162133 + ... + 162264.

It is an arithmetic number, because the mean of its divisors is an integer number (2919582).

Almost surely, 2^21410202 is an apocalyptic number.

21410202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21410202 is an abundant number, since it is smaller than the sum of its proper divisors (25303110).

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

21410202 is a wasteful number, since it uses less digits than its factorization.

21410202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324413.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 21410202 is about 4627.1159484067. The cubic root of 21410202 is about 277.6772214279.

Adding to 21410202 its reverse (20201412), we get a palindrome (41611614).

It can be divided in two parts, 21410 and 202, that added together give a palindrome (21612).

The spelling of 21410202 in words is "twenty-one million, four hundred ten thousand, two hundred two".