13788137020 has 48 divisors (see below), whose sum is σ = 33510435840. Its totient is φ = 4667517504.

The previous prime is 13788136981. The next prime is 13788137021. The reversal of 13788137020 is 2073188731.

It is a super-3 number, since 3×13788137020³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13788137021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612274 + ... + 634393.

It is an arithmetic number, because the mean of its divisors is an integer number (698134080).

Almost surely, 2^13788137020 is an apocalyptic number.

13788137020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13788137020 is an abundant number, since it is smaller than the sum of its proper divisors (19722298820).

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

13788137020 is a wasteful number, since it uses less digits than its factorization.

13788137020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246762 (or 1246760 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 13788137020 in words is "thirteen billion, seven hundred eighty-eight million, one hundred thirty-seven thousand, twenty".