1520232442 has 16 divisors (see below), whose sum is σ = 2288664000. Its totient is φ = 757350432.

The previous prime is 1520232433. The next prime is 1520232451. The reversal of 1520232442 is 2442320251.

It is an interprime number because it is at equal distance from previous prime (1520232433) and next prime (1520232451).

It is a super-2 number, since 2×1520232442² = 4622213355418566728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060158 + ... + 1061590.

It is an arithmetic number, because the mean of its divisors is an integer number (143041500).

Almost surely, 2^1520232442 is an apocalyptic number.

1520232442 is a deficient number, since it is larger than the sum of its proper divisors (768431558).

1520232442 is a wasteful number, since it uses less digits than its factorization.

1520232442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1520232442 is about 38990.1582710304. The cubic root of 1520232442 is about 1149.8380217988.

Adding to 1520232442 its reverse (2442320251), we get a palindrome (3962552693).

The spelling of 1520232442 in words is "one billion, five hundred twenty million, two hundred thirty-two thousand, four hundred forty-two".