151520020 has 24 divisors (see below), whose sum is σ = 318536064. Its totient is φ = 60542496.

The previous prime is 151520009. The next prime is 151520023. The reversal of 151520020 is 20025151.

It is a junction number, because it is equal to n+sod(n) for n = 151519976 and 151520003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151520023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17697 + ... + 24823.

It is an arithmetic number, because the mean of its divisors is an integer number (13272336).

Almost surely, 2^151520020 is an apocalyptic number.

151520020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151520020 is an abundant number, since it is smaller than the sum of its proper divisors (167016044).

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

151520020 is a wasteful number, since it uses less digits than its factorization.

151520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199 (or 8197 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 151520020 is about 12309.3468551341. The cubic root of 151520020 is about 533.1179920575.

Adding to 151520020 its reverse (20025151), we get a palindrome (171545171).

The spelling of 151520020 in words is "one hundred fifty-one million, five hundred twenty thousand, twenty".