2120220011020 has 96 divisors (see below), whose sum is σ = 4730456360448. Its totient is φ = 796574541312.

The previous prime is 2120220010939. The next prime is 2120220011051. The reversal of 2120220011020 is 201100220212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7483587 + ... + 7761733.

It is an arithmetic number, because the mean of its divisors is an integer number (49275587088).

Almost surely, 2^{2120220011020} is an apocalyptic number.

2120220011020 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 2120220011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365228180224).

2120220011020 is an abundant number, since it is smaller than the sum of its proper divisors (2610236349428).

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

2120220011020 is a wasteful number, since it uses less digits than its factorization.

2120220011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278479 (or 278477 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2120220011020 its reverse (201100220212), we get a palindrome (2321320231232).

The spelling of 2120220011020 in words is "two trillion, one hundred twenty billion, two hundred twenty million, eleven thousand, twenty".