20210222021120 has 80 divisors (see below), whose sum is σ = 48507281906688. Its totient is φ = 8075727851520.

The previous prime is 20210222021113. The next prime is 20210222021167. The reversal of 20210222021120 is 2112022201202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1606496 + ... + 6557535.

Almost surely, 2^{20210222021120} is an apocalyptic number.

20210222021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210222021120 is an abundant number, since it is smaller than the sum of its proper divisors (28297059885568).

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

20210222021120 is an frugal number, since it uses more digits than its factorization.

20210222021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8165021 (or 8165005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20210222021120 its reverse (2112022201202), we get a palindrome (22322244222322).

The spelling of 20210222021120 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty".