20770022612 has 24 divisors (see below), whose sum is σ = 38490840360. Its totient is φ = 9772805120.

The previous prime is 20770022591. The next prime is 20770022617. The reversal of 20770022612 is 21622007702.

It can be written as a sum of positive squares in 4 ways, for example, as 6103359376 + 14666663236 = 78124^2 + 121106^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20770022617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638912 + ... + 670632.

It is an arithmetic number, because the mean of its divisors is an integer number (1603785015).

Almost surely, 2^20770022612 is an apocalyptic number.

It is an amenable number.

20770022612 is a deficient number, since it is larger than the sum of its proper divisors (17720817748).

20770022612 is a wasteful number, since it uses less digits than its factorization.

20770022612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41371 (or 41369 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 20770022612 in words is "twenty billion, seven hundred seventy million, twenty-two thousand, six hundred twelve".