2120022020220 has 384 divisors, whose sum is σ = 6831506304000. Its totient is φ = 486614089728.

The previous prime is 2120022020177. The next prime is 2120022020231. The reversal of 2120022020220 is 220202200212.

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 2120022020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1247804931 + ... + 1247806629.

It is an arithmetic number, because the mean of its divisors is an integer number (17790381000).

Almost surely, 2^{2120022020220} is an apocalyptic number.

2120022020220 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 2120022020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3415753152000).

2120022020220 is an abundant number, since it is smaller than the sum of its proper divisors (4711484283780).

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

2120022020220 is a wasteful number, since it uses less digits than its factorization.

2120022020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2120022020220 its reverse (220202200212), we get a palindrome (2340224220432).

The spelling of 2120022020220 in words is "two trillion, one hundred twenty billion, twenty-two million, twenty thousand, two hundred twenty".