2105733630 has 128 divisors (see below), whose sum is σ = 6785565696. Its totient is φ = 403891200.

The previous prime is 2105733601. The next prime is 2105733631. The reversal of 2105733630 is 363375012.

It is a super-2 number, since 2×2105733630² = 8868228241025953800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105733631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5031 + ... + 65090.

It is an arithmetic number, because the mean of its divisors is an integer number (53012232).

Almost surely, 2^2105733630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105733630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3392782848).

2105733630 is an abundant number, since it is smaller than the sum of its proper divisors (4679832066).

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

2105733630 is a wasteful number, since it uses less digits than its factorization.

2105733630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70162.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 2105733630 is about 45888.2733386211. The cubic root of 2105733630 is about 1281.7435610108.

The spelling of 2105733630 in words is "two billion, one hundred five million, seven hundred thirty-three thousand, six hundred thirty".