20121032 has 16 divisors (see below), whose sum is σ = 37940400. Its totient is φ = 10003600.

The previous prime is 20120999. The next prime is 20121043. The reversal of 20121032 is 23012102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5594 + ... + 8457.

It is an arithmetic number, because the mean of its divisors is an integer number (2371275).

Almost surely, 2^20121032 is an apocalyptic number.

It is an amenable number.

20121032 is a deficient number, since it is larger than the sum of its proper divisors (17819368).

20121032 is a wasteful number, since it uses less digits than its factorization.

20121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236 (or 14232 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20121032 is about 4485.6473334403. The cubic root of 20121032 is about 271.9882131571.

Adding to 20121032 its reverse (23012102), we get a palindrome (43133134).

The spelling of 20121032 in words is "twenty million, one hundred twenty-one thousand, thirty-two".