20132312210 has 8 divisors (see below), whose sum is σ = 36238161996. Its totient is φ = 8052924880.

The previous prime is 20132312197. The next prime is 20132312219. The reversal of 20132312210 is 1221323102.

It can be written as a sum of positive squares in 2 ways, for example, as 19478947489 + 653364721 = 139567^2 + 25561^2 .

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 (20132312219) 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, 1006615601 + ... + 1006615620.

Almost surely, 2^20132312210 is an apocalyptic number.

20132312210 is a deficient number, since it is larger than the sum of its proper divisors (16105849786).

20132312210 is a wasteful number, since it uses less digits than its factorization.

20132312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013231228.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20132312210 its reverse (1221323102), we get a palindrome (21353635312).

The spelling of 20132312210 in words is "twenty billion, one hundred thirty-two million, three hundred twelve thousand, two hundred ten".