20015332 has 12 divisors (see below), whose sum is σ = 35058940. Its totient is φ = 9998496.

The previous prime is 20015329. The next prime is 20015353. The reversal of 20015332 is 23351002.

It can be written as a sum of positive squares in 2 ways, for example, as 17172736 + 2842596 = 4144^2 + 1686^2 .

It is a super-2 number, since 2×20015332² = 801227030140448, which contains 22 as substring.

It is an unprimeable number.

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, 5758 + ... + 8554.

Almost surely, 2^20015332 is an apocalyptic number.

It is an amenable number.

20015332 is a deficient number, since it is larger than the sum of its proper divisors (15043608).

20015332 is a wasteful number, since it uses less digits than its factorization.

20015332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20015332 is about 4473.8497963164. The cubic root of 20015332 is about 271.5111063608.

Adding to 20015332 its reverse (23351002), we get a palindrome (43366334).

The spelling of 20015332 in words is "twenty million, fifteen thousand, three hundred thirty-two".