20022131210 has 32 divisors (see below), whose sum is σ = 36557054352. Its totient is φ = 7894056960.

The previous prime is 20022131179. The next prime is 20022131257. The reversal of 20022131210 is 1213122002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13739825089 + 6282306121 = 117217^2 + 79261^2 .

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, 1248362 + ... + 1264298.

Almost surely, 2^20022131210 is an apocalyptic number.

20022131210 is a deficient number, since it is larger than the sum of its proper divisors (16534923142).

20022131210 is a wasteful number, since it uses less digits than its factorization.

20022131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17738.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20022131210 its reverse (1213122002), we get a palindrome (21235253212).

The spelling of 20022131210 in words is "twenty billion, twenty-two million, one hundred thirty-one thousand, two hundred ten".