2552020003921 has 4 divisors (see below), whose sum is σ = 2552216947200. Its totient is φ = 2551823060644.

The previous prime is 2552020003913. The next prime is 2552020003961. The reversal of 2552020003921 is 1293000202552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2552020003921 - 2³ = 2552020003913 is a prime.

It is a super-2 number, since 2×2552020003921² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552020003901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98452201 + ... + 98478118.

It is an arithmetic number, because the mean of its divisors is an integer number (638054236800).

Almost surely, 2^{2552020003921} is an apocalyptic number.

It is an amenable number.

2552020003921 is a deficient number, since it is larger than the sum of its proper divisors (196943279).

2552020003921 is a wasteful number, since it uses less digits than its factorization.

2552020003921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196943278.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 2552020003921 in words is "two trillion, five hundred fifty-two billion, twenty million, three thousand, nine hundred twenty-one".