152031720 has 32 divisors (see below), whose sum is σ = 456095520. Its totient is φ = 40541760.

The previous prime is 152031713. The next prime is 152031721. The reversal of 152031720 is 27130251.

152031720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×152031720³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (152031721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633346 + ... + 633585.

It is an arithmetic number, because the mean of its divisors is an integer number (14252985).

Almost surely, 2^152031720 is an apocalyptic number.

152031720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152031720 is an abundant number, since it is smaller than the sum of its proper divisors (304063800).

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

152031720 is a wasteful number, since it uses less digits than its factorization.

152031720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266945 (or 1266941 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 152031720 is about 12330.1143547009. The cubic root of 152031720 is about 533.7174507151.

Adding to 152031720 its reverse (27130251), we get a palindrome (179161971).

The spelling of 152031720 in words is "one hundred fifty-two million, thirty-one thousand, seven hundred twenty".