20623441261052 has 18 divisors (see below), whose sum is σ = 41983433996112. Its totient is φ = 8838617683224.

The previous prime is 20623441261001. The next prime is 20623441261069. The reversal of 20623441261052 is 25016214432602.

It is a junction number, because it is equal to n+sod(n) for n = 20623441260997 and 20623441261015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52610819348 + ... + 52610819739.

It is an arithmetic number, because the mean of its divisors is an integer number (2332412999784).

Almost surely, 2^{20623441261052} is an apocalyptic number.

It is an amenable number.

20623441261052 is an abundant number, since it is smaller than the sum of its proper divisors (21359992735060).

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

20623441261052 is a wasteful number, since it uses less digits than its factorization.

20623441261052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105221639105 (or 105221639096 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 20623441261052 its reverse (25016214432602), we get a palindrome (45639655693654).

The spelling of 20623441261052 in words is "twenty trillion, six hundred twenty-three billion, four hundred forty-one million, two hundred sixty-one thousand, fifty-two".