21407013202 has 8 divisors (see below), whose sum is σ = 32793722496. Its totient is φ = 10475772372.

The previous prime is 21407013181. The next prime is 21407013209. The reversal of 21407013202 is 20231070412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21407013209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113866998 + ... + 113867185.

It is an arithmetic number, because the mean of its divisors is an integer number (4099215312).

Almost surely, 2^21407013202 is an apocalyptic number.

21407013202 is a deficient number, since it is larger than the sum of its proper divisors (11386709294).

21407013202 is a wasteful number, since it uses less digits than its factorization.

21407013202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227734232.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 21407013202 its reverse (20231070412), we get a palindrome (41638083614).

The spelling of 21407013202 in words is "twenty-one billion, four hundred seven million, thirteen thousand, two hundred two".