20220786752 has 28 divisors (see below), whose sum is σ = 40145657580. Its totient is φ = 10105345536.

The previous prime is 20220786673. The next prime is 20220786769. The reversal of 20220786752 is 25768702202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11928134656 + 8292652096 = 109216^2 + 91064^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51998 + ... + 207714.

It is an arithmetic number, because the mean of its divisors is an integer number (1433773485).

Almost surely, 2^20220786752 is an apocalyptic number.

It is an amenable number.

20220786752 is a deficient number, since it is larger than the sum of its proper divisors (19924870828).

20220786752 is a wasteful number, since it uses less digits than its factorization.

20220786752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157758 (or 157748 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 20220786752 in words is "twenty billion, two hundred twenty million, seven hundred eighty-six thousand, seven hundred fifty-two".