20412032 has 16 divisors (see below), whose sum is σ = 40664850. Its totient is φ = 10205952.

The previous prime is 20411983. The next prime is 20412037. The reversal of 20412032 is 23021402.

It can be written as a sum of positive squares in only one way, i.e., 17774656 + 2637376 = 4216^2 + 1624^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 20411998 and 20412016.

It is not an unprimeable number, because it can be changed into a prime (20412037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79607 + ... + 79862.

Almost surely, 2^20412032 is an apocalyptic number.

It is an amenable number.

20412032 is a deficient number, since it is larger than the sum of its proper divisors (20252818).

20412032 is an equidigital number, since it uses as much as digits as its factorization.

20412032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159483 (or 159471 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20412032 is about 4517.9676847007. The cubic root of 20412032 is about 273.2931502830.

Adding to 20412032 its reverse (23021402), we get a palindrome (43433434).

The spelling of 20412032 in words is "twenty million, four hundred twelve thousand, thirty-two".