2020120344 has 128 divisors (see below), whose sum is σ = 6136416000. Its totient is φ = 610675200.

The previous prime is 2020120331. The next prime is 2020120369. The reversal of 2020120344 is 4430210202.

2020120344 is a `hidden beast` number, since 202 + 0 + 120 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1355952 + ... + 1357440.

It is an arithmetic number, because the mean of its divisors is an integer number (47940750).

Almost surely, 2^2020120344 is an apocalyptic number.

2020120344 is a gapful number since it is divisible by the number (24) 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 2020120344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3068208000).

2020120344 is an abundant number, since it is smaller than the sum of its proper divisors (4116295656).

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

2020120344 is a wasteful number, since it uses less digits than its factorization.

2020120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2076 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2020120344 is about 44945.7488979770. The cubic root of 2020120344 is about 1264.1319679417.

Adding to 2020120344 its reverse (4430210202), we get a palindrome (6450330546).

The spelling of 2020120344 in words is "two billion, twenty million, one hundred twenty thousand, three hundred forty-four".