2021055360 has 128 divisors (see below), whose sum is σ = 6563993760. Its totient is φ = 528752640.

The previous prime is 2021055359. The next prime is 2021055383. The reversal of 2021055360 is 635501202.

2021055360 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2021055360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91830 + ... + 111690.

Almost surely, 2^2021055360 is an apocalyptic number.

2021055360 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 2021055360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281996880).

2021055360 is an abundant number, since it is smaller than the sum of its proper divisors (4542938400).

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

2021055360 is a wasteful number, since it uses less digits than its factorization.

2021055360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19936 (or 19924 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2021055360 is about 44956.1493012914. The cubic root of 2021055360 is about 1264.3269730406.

Adding to 2021055360 its reverse (635501202), we get a palindrome (2656556562).

The spelling of 2021055360 in words is "two billion, twenty-one million, fifty-five thousand, three hundred sixty".