20442508050452 has 24 divisors (see below), whose sum is σ = 38759666432256. Its totient is φ = 9396282768768.

The previous prime is 20442508050439. The next prime is 20442508050463. The reversal of 20442508050452 is 25405080524402.

It is a super-2 number, since 2×20442508050452² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 3495637988 + ... + 3495643835.

It is an arithmetic number, because the mean of its divisors is an integer number (1614986101344).

Almost surely, 2^{20442508050452} is an apocalyptic number.

It is an amenable number.

20442508050452 is a deficient number, since it is larger than the sum of its proper divisors (18317158381804).

20442508050452 is a wasteful number, since it uses less digits than its factorization.

20442508050452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991281887 (or 6991281885 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 20442508050452 its reverse (25405080524402), we get a palindrome (45847588574854).

The spelling of 20442508050452 in words is "twenty trillion, four hundred forty-two billion, five hundred eight million, fifty thousand, four hundred fifty-two".