20098432 has 16 divisors (see below), whose sum is σ = 40040100. Its totient is φ = 10049152.

The previous prime is 20098417. The next prime is 20098439. The reversal of 20098432 is 23489002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20098432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20098439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78382 + ... + 78637.

Almost surely, 2^20098432 is an apocalyptic number.

It is an amenable number.

20098432 is a deficient number, since it is larger than the sum of its proper divisors (19941668).

20098432 is an equidigital number, since it uses as much as digits as its factorization.

20098432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157033 (or 157021 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 20098432 is about 4483.1274797846. The cubic root of 20098432 is about 271.8863423638.

The spelling of 20098432 in words is "twenty million, ninety-eight thousand, four hundred thirty-two".