2051352720 has 120 divisors (see below), whose sum is σ = 6917182272. Its totient is φ = 544800000.

The previous prime is 2051352707. The next prime is 2051352731. The reversal of 2051352720 is 272531502.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175045 + ... + 186395.

Almost surely, 2^2051352720 is an apocalyptic number.

2051352720 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 2051352720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3458591136).

2051352720 is an abundant number, since it is smaller than the sum of its proper divisors (4865829552).

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

2051352720 is a wasteful number, since it uses less digits than its factorization.

2051352720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621 (or 11612 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2051352720 is about 45291.8615205867. The cubic root of 2051352720 is about 1270.6134470003.

The spelling of 2051352720 in words is "two billion, fifty-one million, three hundred fifty-two thousand, seven hundred twenty".