20210222020120 has 512 divisors, whose sum is σ = 52580346220800. Its totient is φ = 6926155776000.

The previous prime is 20210222020111. The next prime is 20210222020127. The reversal of 20210222020120 is 2102022201202.

It is a junction number, because it is equal to n+sod(n) for n = 20210222020094 and 20210222020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210222020127) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16444443666 + ... + 16444444894.

Almost surely, 2^{20210222020120} is an apocalyptic number.

20210222020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210222020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26290173110400).

20210222020120 is an abundant number, since it is smaller than the sum of its proper divisors (32370124200680).

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

20210222020120 is a wasteful number, since it uses less digits than its factorization.

20210222020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20210222020120 its reverse (2102022201202), we get a palindrome (22312244221322).

It can be divided in two parts, 202102 and 22020120, that added together give a palindrome (22222222).

The spelling of 20210222020120 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, twenty thousand, one hundred twenty".