20001032 has 16 divisors (see below), whose sum is σ = 37627200. Its totient is φ = 9967120.

The previous prime is 20001031. The next prime is 20001067. The reversal of 20001032 is 23010002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (20001031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 6507.

It is an arithmetic number, because the mean of its divisors is an integer number (2351700).

Almost surely, 2^20001032 is an apocalyptic number.

It is an amenable number.

20001032 is a deficient number, since it is larger than the sum of its proper divisors (17626168).

20001032 is a wasteful number, since it uses less digits than its factorization.

20001032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356 (or 8352 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20001032 is about 4472.2513346188. The cubic root of 20001032 is about 271.4464303775.

Adding to 20001032 its reverse (23010002), we get a palindrome (43011034).

It can be divided in two parts, 2000103 and 2, that multiplied together give a triangular number (4000206 = T₂₈₂₈).

The spelling of 20001032 in words is "twenty million, one thousand, thirty-two".