20772814897050 has 96 divisors (see below), whose sum is σ = 53006727007104. Its totient is φ = 5379740064000.

The previous prime is 20772814896989. The next prime is 20772814897057. The reversal of 20772814897050 is 5079841827702.

It is not an unprimeable number, because it can be changed into a prime (20772814897057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 456646 + ... + 6461745.

It is an arithmetic number, because the mean of its divisors is an integer number (552153406324).

Almost surely, 2^{20772814897050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20772814897050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26503363503552).

20772814897050 is an abundant number, since it is smaller than the sum of its proper divisors (32233912110054).

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

20772814897050 is a wasteful number, since it uses less digits than its factorization.

20772814897050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918984 (or 6918979 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 60.

The spelling of 20772814897050 in words is "twenty trillion, seven hundred seventy-two billion, eight hundred fourteen million, eight hundred ninety-seven thousand, fifty".