20442000024442 has 16 divisors (see below), whose sum is σ = 31252715315712. Its totient is φ = 10025889753040.

The previous prime is 20442000024419. The next prime is 20442000024487. The reversal of 20442000024442 is 24442000024402.

It is a super-2 number, since 2×20442000024442² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20442000024442.

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, 365347018 + ... + 365402965.

It is an arithmetic number, because the mean of its divisors is an integer number (1953294707232).

Almost surely, 2^{20442000024442} is an apocalyptic number.

20442000024442 is a deficient number, since it is larger than the sum of its proper divisors (10810715291270).

20442000024442 is a wasteful number, since it uses less digits than its factorization.

20442000024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730750253.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20442000024442 its reverse (24442000024402), we get a palindrome (44884000048844).

The spelling of 20442000024442 in words is "twenty trillion, four hundred forty-two billion, twenty-four thousand, four hundred forty-two".