20123032 has 8 divisors (see below), whose sum is σ = 37730700. Its totient is φ = 10061512.

The previous prime is 20123029. The next prime is 20123039. The reversal of 20123032 is 23032102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123039) 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 as a sum of consecutive naturals, namely, 1257682 + ... + 1257697.

Almost surely, 2^20123032 is an apocalyptic number.

It is an amenable number.

20123032 is a deficient number, since it is larger than the sum of its proper divisors (17607668).

20123032 is a wasteful number, since it uses less digits than its factorization.

20123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515385 (or 2515381 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20123032 is about 4485.8702611645. The cubic root of 20123032 is about 271.9972245968.

Adding to 20123032 its reverse (23032102), we get a palindrome (43155134).

The spelling of 20123032 in words is "twenty million, one hundred twenty-three thousand, thirty-two".