2052100456 has 32 divisors (see below), whose sum is σ = 4410000000. Its totient is φ = 876943296.

The previous prime is 2052100441. The next prime is 2052100469. The reversal of 2052100456 is 6540012502.

It is a super-2 number, since 2×2052100456² = 8422232563030815872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2052100456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32956 + ... + 72043.

It is an arithmetic number, because the mean of its divisors is an integer number (137812500).

Almost surely, 2^2052100456 is an apocalyptic number.

It is an amenable number.

2052100456 is an abundant number, since it is smaller than the sum of its proper divisors (2357899544).

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

2052100456 is a wasteful number, since it uses less digits than its factorization.

2052100456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105361 (or 105357 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2052100456 is about 45300.1154082415. The cubic root of 2052100456 is about 1270.7678114826.

Adding to 2052100456 its reverse (6540012502), we get a palindrome (8592112958).

The spelling of 2052100456 in words is "two billion, fifty-two million, one hundred thousand, four hundred fifty-six".