202000002020 has 48 divisors (see below), whose sum is σ = 453600081648. Its totient is φ = 75294105600.

The previous prime is 202000001999. The next prime is 202000002041. The reversal of 202000002020 is 20200000202.

It is an interprime number because it is at equal distance from previous prime (202000001999) and next prime (202000002041).

It can be written as a sum of positive squares in 8 ways, for example, as 49458201664 + 152541800356 = 222392^2 + 390566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202000001989 and 202000002007.

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, 2906837 + ... + 2975516.

It is an arithmetic number, because the mean of its divisors is an integer number (9450001701).

Almost surely, 2^202000002020 is an apocalyptic number.

202000002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202000002020 is an abundant number, since it is smaller than the sum of its proper divisors (251600079628).

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

202000002020 is a wasteful number, since it uses less digits than its factorization.

202000002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882480 (or 5882478 counting only the distinct ones).

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

Adding to 202000002020 its reverse (20200000202), we get a palindrome (222200002222).

It can be divided in two parts, 20200000 and 2020, that multiplied together give a square (40804000000 = 202000²).

The spelling of 202000002020 in words is "two hundred two billion, two thousand, twenty".