20259241252 has 12 divisors (see below), whose sum is σ = 35880825456. Its totient is φ = 10007576840.

The previous prime is 20259241213. The next prime is 20259241259. The reversal of 20259241252 is 25214295202.

It is a super-2 number, since 2×20259241252² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20259241259) 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, 30510574 + ... + 30511237.

It is an arithmetic number, because the mean of its divisors is an integer number (2990068788).

Almost surely, 2^20259241252 is an apocalyptic number.

It is an amenable number.

20259241252 is a deficient number, since it is larger than the sum of its proper divisors (15621584204).

20259241252 is a wasteful number, since it uses less digits than its factorization.

20259241252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61021898 (or 61021896 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 20259241252 in words is "twenty billion, two hundred fifty-nine million, two hundred forty-one thousand, two hundred fifty-two".