2020120020 has 96 divisors (see below), whose sum is σ = 6438176640. Its totient is φ = 525553920.

The previous prime is 2020120007. The next prime is 2020120027. The reversal of 2020120020 is 200210202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2020119984 and 2020120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020120027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23482 + ... + 67761.

It is an arithmetic number, because the mean of its divisors is an integer number (67064340).

Almost surely, 2^2020120020 is an apocalyptic number.

2020120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020120020 is an abundant number, since it is smaller than the sum of its proper divisors (4418056620).

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

2020120020 is a wasteful number, since it uses less digits than its factorization.

2020120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91302 (or 91294 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2020120020 is about 44945.7452936315. The cubic root of 2020120020 is about 1264.1319003585.

Adding to 2020120020 its reverse (200210202), we get a palindrome (2220330222).

The spelling of 2020120020 in words is "two billion, twenty million, one hundred twenty thousand, twenty".