20242851279 has 16 divisors (see below), whose sum is σ = 30887347200. Its totient is φ = 11551932000.

The previous prime is 20242851257. The next prime is 20242851347. The reversal of 20242851279 is 97215824202.

It is not a de Polignac number, because 20242851279 - 2⁸ = 20242851023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20242851279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242851229) 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 15 ways as a sum of consecutive naturals, for example, 626004 + ... + 657545.

It is an arithmetic number, because the mean of its divisors is an integer number (1930459200).

Almost surely, 2^20242851279 is an apocalyptic number.

20242851279 is a deficient number, since it is larger than the sum of its proper divisors (10644495921).

20242851279 is a wasteful number, since it uses less digits than its factorization.

20242851279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284310.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 20242851279 in words is "twenty billion, two hundred forty-two million, eight hundred fifty-one thousand, two hundred seventy-nine".