20200002020 has 48 divisors (see below), whose sum is σ = 46734601536. Its totient is φ = 7272720000.

The previous prime is 20200002007. The next prime is 20200002047. The reversal of 20200002020 is 2020000202.

It is a junction number, because it is equal to n+sod(n) for n = 20200001989 and 20200002007.

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, 432326 + ... + 476765.

It is an arithmetic number, because the mean of its divisors is an integer number (973637532).

Almost surely, 2^20200002020 is an apocalyptic number.

20200002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200002020 is an abundant number, since it is smaller than the sum of its proper divisors (26534599516).

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

20200002020 is a wasteful number, since it uses less digits than its factorization.

20200002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909212 (or 909210 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20200002020 its reverse (2020000202), we get a palindrome (22220002222).

The spelling of 20200002020 in words is "twenty billion, two hundred million, two thousand, twenty".