2103679620 has 384 divisors, whose sum is σ = 8341401600. Its totient is φ = 428488704.

The previous prime is 2103679609. The next prime is 2103679621. The reversal of 2103679620 is 269763012.

2103679620 is a `hidden beast` number, since 21 + 0 + 3 + 6 + 7 + 9 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2103679621) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1220079 + ... + 1221801.

It is an arithmetic number, because the mean of its divisors is an integer number (21722400).

Almost surely, 2^2103679620 is an apocalyptic number.

2103679620 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 2103679620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4170700800).

2103679620 is an abundant number, since it is smaller than the sum of its proper divisors (6237721980).

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

2103679620 is a wasteful number, since it uses less digits than its factorization.

2103679620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2103679620 is about 45865.8873238053. The cubic root of 2103679620 is about 1281.3266721676.

The spelling of 2103679620 in words is "two billion, one hundred three million, six hundred seventy-nine thousand, six hundred twenty".