20098492 has 6 divisors (see below), whose sum is σ = 35172368. Its totient is φ = 10049244.

The previous prime is 20098489. The next prime is 20098499. The reversal of 20098492 is 29489002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20098499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512308 + ... + 2512315.

Almost surely, 2^20098492 is an apocalyptic number.

It is an amenable number.

20098492 is a deficient number, since it is larger than the sum of its proper divisors (15073876).

20098492 is a wasteful number, since it uses less digits than its factorization.

20098492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024627 (or 5024625 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 20098492 is about 4483.1341715367. The cubic root of 20098492 is about 271.8866129183.

It can be divided in two parts, 2009 and 8492, that added together give a palindrome (10501).

The spelling of 20098492 in words is "twenty million, ninety-eight thousand, four hundred ninety-two".