18739500120 has 512 divisors, whose sum is σ = 72959616000. Its totient is φ = 4230144000.

The previous prime is 18739500107. The next prime is 18739500127. The reversal of 18739500120 is 2100593781.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18739500127) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13768240 + ... + 13769600.

It is an arithmetic number, because the mean of its divisors is an integer number (142499250).

Almost surely, 2^18739500120 is an apocalyptic number.

18739500120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18739500120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36479808000).

18739500120 is an abundant number, since it is smaller than the sum of its proper divisors (54220115880).

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

18739500120 is a wasteful number, since it uses less digits than its factorization.

18739500120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 18739500120 in words is "eighteen billion, seven hundred thirty-nine million, five hundred thousand, one hundred twenty".