21410204 has 6 divisors (see below), whose sum is σ = 37467864. Its totient is φ = 10705100.

The previous prime is 21410189. The next prime is 21410219. The reversal of 21410204 is 40201412.

It is an interprime number because it is at equal distance from previous prime (21410189) and next prime (21410219).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2676272 + ... + 2676279.

It is an arithmetic number, because the mean of its divisors is an integer number (6244644).

Almost surely, 2^21410204 is an apocalyptic number.

It is an amenable number.

21410204 is a deficient number, since it is larger than the sum of its proper divisors (16057660).

21410204 is a wasteful number, since it uses less digits than its factorization.

21410204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352555 (or 5352553 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 21410204 is about 4627.1161645241. The cubic root of 21410204 is about 277.6772300742.

Adding to 21410204 its reverse (40201412), we get a palindrome (61611616).

The spelling of 21410204 in words is "twenty-one million, four hundred ten thousand, two hundred four".