21302202130 has 32 divisors (see below), whose sum is σ = 42149118528. Its totient is φ = 7687118400.

The previous prime is 21302202109. The next prime is 21302202143. The reversal of 21302202130 is 3120220312.

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, 724737 + ... + 753556.

It is an arithmetic number, because the mean of its divisors is an integer number (1317159954).

Almost surely, 2^21302202130 is an apocalyptic number.

21302202130 is a deficient number, since it is larger than the sum of its proper divisors (20846916398).

21302202130 is a wasteful number, since it uses less digits than its factorization.

21302202130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478442.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21302202130 its reverse (3120220312), we get a palindrome (24422422442).

The spelling of 21302202130 in words is "twenty-one billion, three hundred two million, two hundred two thousand, one hundred thirty".