151244503020 has 192 divisors, whose sum is σ = 513149952000. Its totient is φ = 36758022912.

The previous prime is 151244503013. The next prime is 151244503037. The reversal of 151244503020 is 20305442151.

151244503020 is a `hidden beast` number, since 15 + 124 + 4 + 503 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 418221 + ... + 690939.

It is an arithmetic number, because the mean of its divisors is an integer number (2672656000).

Almost surely, 2^151244503020 is an apocalyptic number.

151244503020 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 151244503020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256574976000).

151244503020 is an abundant number, since it is smaller than the sum of its proper divisors (361905448980).

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

151244503020 is a wasteful number, since it uses less digits than its factorization.

151244503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272829 (or 272821 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 151244503020 its reverse (20305442151), we get a palindrome (171549945171).

The spelling of 151244503020 in words is "one hundred fifty-one billion, two hundred forty-four million, five hundred three thousand, twenty".