3203220220020 has 72 divisors (see below), whose sum is σ = 9979041030504. Its totient is φ = 831105785088.

The previous prime is 3203220220019. The next prime is 3203220220021. The reversal of 3203220220020 is 200220223023.

3203220220020 is a `hidden beast` number, since 3 + 203 + 220 + 220 + 0 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (3203220220019) and next prime (3203220220021).

It can be written as a sum of positive squares in 4 ways, for example, as 127132181136 + 3076088038884 = 356556^2 + 1753878^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3203220219975 and 3203220220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3203220220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240475339 + ... + 240488658.

Almost surely, 2^{3203220220020} is an apocalyptic number.

3203220220020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3203220220020 is an abundant number, since it is smaller than the sum of its proper divisors (6775820810484).

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

3203220220020 is a wasteful number, since it uses less digits than its factorization.

3203220220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480964049 (or 480964044 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 3203220220020 its reverse (200220223023), we get a palindrome (3403440443043).

The spelling of 3203220220020 in words is "three trillion, two hundred three billion, two hundred twenty million, two hundred twenty thousand, twenty".