2020031220 has 48 divisors (see below), whose sum is σ = 5719654080. Its totient is φ = 532621056.

The previous prime is 2020031197. The next prime is 2020031257. The reversal of 2020031220 is 221300202.

It is a super-2 number, since 2×2020031220² = 8161052259549376800, which contains 22 as substring.

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 = 2020031196 and 2020031205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183802 + ... + 194481.

It is an arithmetic number, because the mean of its divisors is an integer number (119159460).

Almost surely, 2^2020031220 is an apocalyptic number.

2020031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020031220 is an abundant number, since it is smaller than the sum of its proper divisors (3699622860).

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

2020031220 is a wasteful number, since it uses less digits than its factorization.

2020031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378384 (or 378382 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2020031220 is about 44944.7574250880. The cubic root of 2020031220 is about 1264.1133772747.

Adding to 2020031220 its reverse (221300202), we get a palindrome (2241331422).

The spelling of 2020031220 in words is "two billion, twenty million, thirty-one thousand, two hundred twenty".