20026802442 has 16 divisors (see below), whose sum is σ = 40148749152. Its totient is φ = 6659743440.

The previous prime is 20026802437. The next prime is 20026802501. The reversal of 20026802442 is 24420862002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3961608 + ... + 3966659.

It is an arithmetic number, because the mean of its divisors is an integer number (2509296822).

Almost surely, 2^20026802442 is an apocalyptic number.

20026802442 is an abundant number, since it is smaller than the sum of its proper divisors (20121946710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20026802442 is a wasteful number, since it uses less digits than its factorization.

20026802442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928693.

The product of its (nonzero) digits is 12288, while the sum is 30.

The spelling of 20026802442 in words is "twenty billion, twenty-six million, eight hundred two thousand, four hundred forty-two".