2102000120 has 32 divisors (see below), whose sum is σ = 5159455920. Its totient is φ = 764363520.

The previous prime is 2102000119. The next prime is 2102000161. The reversal of 2102000120 is 210002012.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 2102000098 and 2102000107.

It is a congruent number.

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, 2388197 + ... + 2389076.

Almost surely, 2^2102000120 is an apocalyptic number.

2102000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102000120 is an abundant number, since it is smaller than the sum of its proper divisors (3057455800).

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

2102000120 is a wasteful number, since it uses less digits than its factorization.

2102000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777295 (or 4777291 counting only the distinct ones).

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

The square root of 2102000120 is about 45847.5748540749. The cubic root of 2102000120 is about 1280.9855934424.

Adding to 2102000120 its reverse (210002012), we get a palindrome (2312002132).

The spelling of 2102000120 in words is "two billion, one hundred two million, one hundred twenty", and thus it is an aban number.