20022312210 has 32 divisors (see below), whose sum is σ = 48661827840. Its totient is φ = 5271696768.

The previous prime is 20022312197. The next prime is 20022312223. The reversal of 20022312210 is 1221322002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20022312197) and next prime (20022312223).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20022312210.

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, 4221747 + ... + 4226486.

It is an arithmetic number, because the mean of its divisors is an integer number (1520682120).

Almost surely, 2^20022312210 is an apocalyptic number.

20022312210 is an abundant number, since it is smaller than the sum of its proper divisors (28639515630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022312210 is a wasteful number, since it uses less digits than its factorization.

20022312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448322.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20022312210 its reverse (1221322002), we get a palindrome (21243634212).

The spelling of 20022312210 in words is "twenty billion, twenty-two million, three hundred twelve thousand, two hundred ten".