20770097944 has 32 divisors (see below), whose sum is σ = 39121077600. Its totient is φ = 10337921280.

The previous prime is 20770097927. The next prime is 20770097947. The reversal of 20770097944 is 44979007702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20770097947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598514 + ... + 1611454.

It is an arithmetic number, because the mean of its divisors is an integer number (1222533675).

Almost surely, 2^20770097944 is an apocalyptic number.

It is an amenable number.

20770097944 is a deficient number, since it is larger than the sum of its proper divisors (18350979656).

20770097944 is a wasteful number, since it uses less digits than its factorization.

20770097944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13843 (or 13839 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 20770097944 in words is "twenty billion, seven hundred seventy million, ninety-seven thousand, nine hundred forty-four".