20773107726 has 24 divisors (see below), whose sum is σ = 48329271720. Its totient is φ = 5935173552.

The previous prime is 20773107697. The next prime is 20773107743. The reversal of 20773107726 is 62770137702.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35328121 + ... + 35328708.

It is an arithmetic number, because the mean of its divisors is an integer number (2013719655).

Almost surely, 2^20773107726 is an apocalyptic number.

20773107726 is an abundant number, since it is smaller than the sum of its proper divisors (27556163994).

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

20773107726 is a wasteful number, since it uses less digits than its factorization.

20773107726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70656848 (or 70656841 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 42.

The spelling of 20773107726 in words is "twenty billion, seven hundred seventy-three million, one hundred seven thousand, seven hundred twenty-six".