20212022120 has 48 divisors (see below), whose sum is σ = 47099377260. Its totient is φ = 7806009344.

The previous prime is 20212022119. The next prime is 20212022147. The reversal of 20212022120 is 2122021202.

It can be written as a sum of positive squares in 6 ways, for example, as 14062639396 + 6149382724 = 118586^2 + 78418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20212022095 and 20212022104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266777 + ... + 334056.

Almost surely, 2^20212022120 is an apocalyptic number.

20212022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212022120 is an abundant number, since it is smaller than the sum of its proper divisors (26887355140).

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

20212022120 is a wasteful number, since it uses less digits than its factorization.

20212022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600902 (or 600869 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20212022120 its reverse (2122021202), we get a palindrome (22334043322).

The spelling of 20212022120 in words is "twenty billion, two hundred twelve million, twenty-two thousand, one hundred twenty".