20868242882 has 16 divisors (see below), whose sum is σ = 32034496032. Its totient is φ = 10190140800.

The previous prime is 20868242869. The next prime is 20868242903. The reversal of 20868242882 is 28824286802.

It is a super-3 number, since 3×20868242882³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20868242882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124882 + ... + 1143282.

It is an arithmetic number, because the mean of its divisors is an integer number (2002156002).

Almost surely, 2^20868242882 is an apocalyptic number.

20868242882 is a deficient number, since it is larger than the sum of its proper divisors (11166253150).

20868242882 is a wasteful number, since it uses less digits than its factorization.

20868242882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31633.

The product of its (nonzero) digits is 1572864, while the sum is 50.

The spelling of 20868242882 in words is "twenty billion, eight hundred sixty-eight million, two hundred forty-two thousand, eight hundred eighty-two".