20028084234942 has 24 divisors (see below), whose sum is σ = 46595951077896. Its totient is φ = 5722309781328.

The previous prime is 20028084234941. The next prime is 20028084234943. The reversal of 20028084234942 is 24943248082002.

It is an interprime number because it is at equal distance from previous prime (20028084234941) and next prime (20028084234943).

It is a super-2 number, since 2×20028084234942² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20028084234891 and 20028084234900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20028084234941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34061367453 + ... + 34061368040.

It is an arithmetic number, because the mean of its divisors is an integer number (1941497961579).

Almost surely, 2^{20028084234942} is an apocalyptic number.

20028084234942 is an abundant number, since it is smaller than the sum of its proper divisors (26567866842954).

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

20028084234942 is a wasteful number, since it uses less digits than its factorization.

20028084234942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68122735512 (or 68122735505 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 20028084234942 in words is "twenty trillion, twenty-eight billion, eighty-four million, two hundred thirty-four thousand, nine hundred forty-two".