152503020 has 48 divisors (see below), whose sum is σ = 474455520. Its totient is φ = 40667328.

The previous prime is 152503007. The next prime is 152503037. The reversal of 152503020 is 20305251.

It is a happy number.

It is a super-2 number, since 2×152503020² = 46514342218240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 152502984 and 152503002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140667 + ... + 141746.

It is an arithmetic number, because the mean of its divisors is an integer number (9884490).

Almost surely, 2^152503020 is an apocalyptic number.

152503020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152503020 is an abundant number, since it is smaller than the sum of its proper divisors (321952500).

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

152503020 is a wasteful number, since it uses less digits than its factorization.

152503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282431 (or 282423 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 152503020 is about 12349.2113108490. The cubic root of 152503020 is about 534.2683917832.

Adding to 152503020 its reverse (20305251), we get a palindrome (172808271).

The spelling of 152503020 in words is "one hundred fifty-two million, five hundred three thousand, twenty".