15342020 has 12 divisors (see below), whose sum is σ = 32218284. Its totient is φ = 6136800.

The previous prime is 15342017. The next prime is 15342023. The reversal of 15342020 is 2024351.

It is an interprime number because it is at equal distance from previous prime (15342017) and next prime (15342023).

It can be written as a sum of positive squares in 2 ways, for example, as 10745284 + 4596736 = 3278^2 + 2144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15342020.

It is not an unprimeable number, because it can be changed into a prime (15342023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383531 + ... + 383570.

It is an arithmetic number, because the mean of its divisors is an integer number (2684857).

Almost surely, 2^15342020 is an apocalyptic number.

15342020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15342020 is an abundant number, since it is smaller than the sum of its proper divisors (16876264).

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

15342020 is a wasteful number, since it uses less digits than its factorization.

15342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767110 (or 767108 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 15342020 is about 3916.8890716996. The cubic root of 15342020 is about 248.4815694800.

Adding to 15342020 its reverse (2024351), we get a palindrome (17366371).

The spelling of 15342020 in words is "fifteen million, three hundred forty-two thousand, twenty".