20010432 has 56 divisors (see below), whose sum is σ = 57024016. Its totient is φ = 6156288.

The previous prime is 20010409. The next prime is 20010443. The reversal of 20010432 is 23401002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513 + ... + 6504.

It is an arithmetic number, because the mean of its divisors is an integer number (1018286).

Almost surely, 2^20010432 is an apocalyptic number.

It is an amenable number.

20010432 is an abundant number, since it is smaller than the sum of its proper divisors (37013584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010432 is a wasteful number, since it uses less digits than its factorization.

20010432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8035 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20010432 is about 4473.3021360065. The cubic root of 20010432 is about 271.4889481306.

Adding to 20010432 its reverse (23401002), we get a palindrome (43411434).

The spelling of 20010432 in words is "twenty million, ten thousand, four hundred thirty-two".