2102694720 has 224 divisors, whose sum is σ = 7682227968. Its totient is φ = 477315072.

The previous prime is 2102694709. The next prime is 2102694773. The reversal of 2102694720 is 274962012.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1054044 + ... + 1056036.

Almost surely, 2^2102694720 is an apocalyptic number.

2102694720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102694720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3841113984).

2102694720 is an abundant number, since it is smaller than the sum of its proper divisors (5579533248).

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

2102694720 is a wasteful number, since it uses less digits than its factorization.

2102694720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2102694720 is about 45855.1493291648. The cubic root of 2102694720 is about 1281.1266772598.

The spelling of 2102694720 in words is "two billion, one hundred two million, six hundred ninety-four thousand, seven hundred twenty".