20377288704 has 60 divisors (see below), whose sum is σ = 54337909304. Its totient is φ = 6792413184.

The previous prime is 20377288699. The next prime is 20377288709. The reversal of 20377288704 is 40788277302.

It is an interprime number because it is at equal distance from previous prime (20377288699) and next prime (20377288709).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (20377288709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158137 + ... + 256440.

Almost surely, 2^20377288704 is an apocalyptic number.

20377288704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20377288704 is an abundant number, since it is smaller than the sum of its proper divisors (33960620600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20377288704 is an frugal number, since it uses more digits than its factorization.

20377288704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414608 (or 414582 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 20377288704 in words is "twenty billion, three hundred seventy-seven million, two hundred eighty-eight thousand, seven hundred four".