2170002020 has 24 divisors (see below), whose sum is σ = 4614691200. Its totient is φ = 857012832.

The previous prime is 2170002019. The next prime is 2170002041. The reversal of 2170002020 is 202000712.

It is a junction number, because it is equal to n+sod(n) for n = 2170001986 and 2170002004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685130 + ... + 688289.

It is an arithmetic number, because the mean of its divisors is an integer number (192278800).

Almost surely, 2^2170002020 is an apocalyptic number.

2170002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2170002020 is an abundant number, since it is smaller than the sum of its proper divisors (2444689180).

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

2170002020 is a wasteful number, since it uses less digits than its factorization.

2170002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373507 (or 1373505 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2170002020 is about 46583.2804770124. The cubic root of 2170002020 is about 1294.6529921004.

Adding to 2170002020 its reverse (202000712), we get a palindrome (2372002732).

The spelling of 2170002020 in words is "two billion, one hundred seventy million, two thousand, twenty".