2020100012220 has 96 divisors (see below), whose sum is σ = 5735045223936. Its totient is φ = 531234400000.

The previous prime is 2020100012173. The next prime is 2020100012233. The reversal of 2020100012220 is 222100010202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2020100012196 and 2020100012205.

It is a congruent 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, 857017 + ... + 2185103.

It is an arithmetic number, because the mean of its divisors is an integer number (59740054416).

Almost surely, 2^{2020100012220} is an apocalyptic number.

2020100012220 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 2020100012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2867522611968).

2020100012220 is an abundant number, since it is smaller than the sum of its proper divisors (3714945211716).

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

2020100012220 is a wasteful number, since it uses less digits than its factorization.

2020100012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328451 (or 1328449 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2020100012220 its reverse (222100010202), we get a palindrome (2242200022422).

The spelling of 2020100012220 in words is "two trillion, twenty billion, one hundred million, twelve thousand, two hundred twenty".