20321260752050 has 48 divisors (see below), whose sum is σ = 38757304016640. Its totient is φ = 7922893823040.

The previous prime is 20321260752043. The next prime is 20321260752101. The reversal of 20321260752050 is 5025706212302.

It is a self number, because there is not a number n which added to its sum of digits gives 20321260752050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8836277 + ... + 10895976.

It is an arithmetic number, because the mean of its divisors is an integer number (807443833680).

Almost surely, 2^{20321260752050} is an apocalyptic number.

20321260752050 is a deficient number, since it is larger than the sum of its proper divisors (18436043264590).

20321260752050 is a wasteful number, since it uses less digits than its factorization.

20321260752050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19732787 (or 19732782 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 20321260752050 its reverse (5025706212302), we get a palindrome (25346966964352).

The spelling of 20321260752050 in words is "twenty trillion, three hundred twenty-one billion, two hundred sixty million, seven hundred fifty-two thousand, fifty".