20052055523 has 8 divisors (see below), whose sum is σ = 20963450400. Its totient is φ = 19180215384.

The previous prime is 20052055519. The next prime is 20052055549. The reversal of 20052055523 is 32555025002.

It is not a de Polignac number, because 20052055523 - 2² = 20052055519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20052055123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 811868 + ... + 836201.

It is an arithmetic number, because the mean of its divisors is an integer number (2620431300).

Almost surely, 2^20052055523 is an apocalyptic number.

20052055523 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20052055523 is a deficient number, since it is larger than the sum of its proper divisors (911394877).

20052055523 is an frugal number, since it uses more digits than its factorization.

20052055523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648138 (or 1648092 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The spelling of 20052055523 in words is "twenty billion, fifty-two million, fifty-five thousand, five hundred twenty-three".