20002020220 has 48 divisors (see below), whose sum is σ = 51697533888. Its totient is φ = 6330309120.

The previous prime is 20002020211. The next prime is 20002020239. The reversal of 20002020220 is 2202020002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20002020197 and 20002020206.

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, 5493241 + ... + 5496880.

It is an arithmetic number, because the mean of its divisors is an integer number (1077031956).

Almost surely, 2^20002020220 is an apocalyptic number.

20002020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002020220 is an abundant number, since it is smaller than the sum of its proper divisors (31695513668).

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

20002020220 is a wasteful number, since it uses less digits than its factorization.

20002020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990150 (or 10990148 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20002020220 its reverse (2202020002), we get a palindrome (22204040222).

The spelling of 20002020220 in words is "twenty billion, two million, twenty thousand, two hundred twenty".