20200042442 has 24 divisors (see below), whose sum is σ = 31173122496. Its totient is φ = 9816876000.

The previous prime is 20200042433. The next prime is 20200042469. The reversal of 20200042442 is 24424000202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 900017 + ... + 922187.

It is an arithmetic number, because the mean of its divisors is an integer number (1298880104).

Almost surely, 2^20200042442 is an apocalyptic number.

20200042442 is a deficient number, since it is larger than the sum of its proper divisors (10973080054).

20200042442 is a wasteful number, since it uses less digits than its factorization.

20200042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22526 (or 22485 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20200042442 its reverse (24424000202), we get a palindrome (44624042644).

It can be divided in two parts, 202000 and 42442, that added together give a palindrome (244442).

The spelling of 20200042442 in words is "twenty billion, two hundred million, forty-two thousand, four hundred forty-two".