20022100212 has 24 divisors (see below), whose sum is σ = 49177088800. Its totient is φ = 6322768416.

The previous prime is 20022100177. The next prime is 20022100271. The reversal of 20022100212 is 21200122002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43907887 + ... + 43908342.

Almost surely, 2^20022100212 is an apocalyptic number.

It is an amenable number.

20022100212 is an abundant number, since it is smaller than the sum of its proper divisors (29154988588).

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

20022100212 is a wasteful number, since it uses less digits than its factorization.

20022100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87816255 (or 87816253 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20022100212 its reverse (21200122002), we get a palindrome (41222222214).

The spelling of 20022100212 in words is "twenty billion, twenty-two million, one hundred thousand, two hundred twelve".