20360052442 has 16 divisors (see below), whose sum is σ = 31056566400. Its totient is φ = 10008663280.

The previous prime is 20360052439. The next prime is 20360052467. The reversal of 20360052442 is 24425006302.

It is a self number, because there is not a number n which added to its sum of digits gives 20360052442.

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, 148717 + ... + 250672.

It is an arithmetic number, because the mean of its divisors is an integer number (1941035400).

Almost surely, 2^20360052442 is an apocalyptic number.

20360052442 is a deficient number, since it is larger than the sum of its proper divisors (10696513958).

20360052442 is a wasteful number, since it uses less digits than its factorization.

20360052442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399821.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20360052442 its reverse (24425006302), we get a palindrome (44785058744).

The spelling of 20360052442 in words is "twenty billion, three hundred sixty million, fifty-two thousand, four hundred forty-two".