20663044148 has 24 divisors (see below), whose sum is σ = 36742017312. Its totient is φ = 10165677984.

The previous prime is 20663044147. The next prime is 20663044177. The reversal of 20663044148 is 84144036602.

It is a super-2 number, since 2×20663044148² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20663044147) 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, 192986 + ... + 280302.

It is an arithmetic number, because the mean of its divisors is an integer number (1530917388).

Almost surely, 2^20663044148 is an apocalyptic number.

It is an amenable number.

20663044148 is a deficient number, since it is larger than the sum of its proper divisors (16078973164).

20663044148 is a wasteful number, since it uses less digits than its factorization.

20663044148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88271 (or 88269 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 20663044148 in words is "twenty billion, six hundred sixty-three million, forty-four thousand, one hundred forty-eight".