20135151120 has 160 divisors (see below), whose sum is σ = 71435427840. Its totient is φ = 4595904000.

The previous prime is 20135151109. The next prime is 20135151131. The reversal of 20135151120 is 2115153102.

It is an interprime number because it is at equal distance from previous prime (20135151109) and next prime (20135151131).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1253701 + ... + 1269659.

It is an arithmetic number, because the mean of its divisors is an integer number (446471424).

Almost surely, 2^20135151120 is an apocalyptic number.

20135151120 is a gapful number since it is divisible by the number (20) 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 20135151120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35717713920).

20135151120 is an abundant number, since it is smaller than the sum of its proper divisors (51300276720).

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

20135151120 is a wasteful number, since it uses less digits than its factorization.

20135151120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16733 (or 16727 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 20135151120 in words is "twenty billion, one hundred thirty-five million, one hundred fifty-one thousand, one hundred twenty".