2126113920 has 768 divisors, whose sum is σ = 9153561600. Its totient is φ = 470292480.

The previous prime is 2126113909. The next prime is 2126113931. The reversal of 2126113920 is 293116212.

2126113920 is a `hidden beast` number, since 2 + 12 + 611 + 39 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2126113909) and next prime (2126113931).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68584305 + ... + 68584335.

It is an arithmetic number, because the mean of its divisors is an integer number (11918700).

Almost surely, 2^2126113920 is an apocalyptic number.

2126113920 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 2126113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4576780800).

2126113920 is an abundant number, since it is smaller than the sum of its proper divisors (7027447680).

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

2126113920 is an frugal number, since it uses more digits than its factorization.

2126113920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2126113920 is about 46109.8028622982. The cubic root of 2126113920 is about 1285.8653993813.

The spelling of 2126113920 in words is "two billion, one hundred twenty-six million, one hundred thirteen thousand, nine hundred twenty".