20162655944 has 64 divisors (see below), whose sum is σ = 38648664000. Its totient is φ = 9859548160.

The previous prime is 20162655943. The next prime is 20162655983. The reversal of 20162655944 is 44955626102.

It is a super-2 number, since 2×20162655944² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20162655895 and 20162655904.

It is not an unprimeable number, because it can be changed into a prime (20162655941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35812607 + ... + 35813169.

It is an arithmetic number, because the mean of its divisors is an integer number (603885375).

Almost surely, 2^20162655944 is an apocalyptic number.

It is an amenable number.

20162655944 is a deficient number, since it is larger than the sum of its proper divisors (18486008056).

20162655944 is a wasteful number, since it uses less digits than its factorization.

20162655944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 20162655944 in words is "twenty billion, one hundred sixty-two million, six hundred fifty-five thousand, nine hundred forty-four".