2101302620 has 24 divisors (see below), whose sum is σ = 4421529504. Its totient is φ = 838846016.

The previous prime is 2101302613. The next prime is 2101302647. The reversal of 2101302620 is 262031012.

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, 94379 + ... + 114498.

It is an arithmetic number, because the mean of its divisors is an integer number (184230396).

Almost surely, 2^2101302620 is an apocalyptic number.

2101302620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101302620 is an abundant number, since it is smaller than the sum of its proper divisors (2320226884).

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

2101302620 is a wasteful number, since it uses less digits than its factorization.

2101302620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209389 (or 209387 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2101302620 is about 45839.9674956255. The cubic root of 2101302620 is about 1280.8438893120.

Adding to 2101302620 its reverse (262031012), we get a palindrome (2363333632).

The spelling of 2101302620 in words is "two billion, one hundred one million, three hundred two thousand, six hundred twenty".