2106333620 has 24 divisors (see below), whose sum is σ = 4432012200. Its totient is φ = 840874112.

The previous prime is 2106333617. The next prime is 2106333637. The reversal of 2106333620 is 263336012.

It can be written as a sum of positive squares in 4 ways, for example, as 375274384 + 1731059236 = 19372^2 + 41606^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2106333620.

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, 93275 + ... + 113634.

It is an arithmetic number, because the mean of its divisors is an integer number (184667175).

Almost surely, 2^2106333620 is an apocalyptic number.

2106333620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106333620 is an abundant number, since it is smaller than the sum of its proper divisors (2325678580).

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

2106333620 is a wasteful number, since it uses less digits than its factorization.

2106333620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207427 (or 207425 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 2106333620 is about 45894.8103820029. The cubic root of 2106333620 is about 1281.8652858544.

Adding to 2106333620 its reverse (263336012), we get a palindrome (2369669632).

The spelling of 2106333620 in words is "two billion, one hundred six million, three hundred thirty-three thousand, six hundred twenty".