2102846920 has 16 divisors (see below), whose sum is σ = 4731405660. Its totient is φ = 841138752.

The previous prime is 2102846917. The next prime is 2102846923. The reversal of 2102846920 is 296482012.

It is an interprime number because it is at equal distance from previous prime (2102846917) and next prime (2102846923).

It can be written as a sum of positive squares in 2 ways, for example, as 1949928964 + 152917956 = 44158^2 + 12366^2 .

It is not an unprimeable number, because it can be changed into a prime (2102846923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26285547 + ... + 26285626.

Almost surely, 2^2102846920 is an apocalyptic number.

2102846920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102846920 is an abundant number, since it is smaller than the sum of its proper divisors (2628558740).

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

2102846920 is a wasteful number, since it uses less digits than its factorization.

2102846920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52571184 (or 52571180 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2102846920 is about 45856.8088728381. The cubic root of 2102846920 is about 1281.1575872431.

The spelling of 2102846920 in words is "two billion, one hundred two million, eight hundred forty-six thousand, nine hundred twenty".