20498192 has 120 divisors (see below), whose sum is σ = 51163392. Its totient is φ = 7833600.

The previous prime is 20498189. The next prime is 20498201. The reversal of 20498192 is 29189402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661217 + ... + 661247.

Almost surely, 2^20498192 is an apocalyptic number.

20498192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20498192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25581696).

20498192 is an abundant number, since it is smaller than the sum of its proper divisors (30665200).

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

20498192 is a wasteful number, since it uses less digits than its factorization.

20498192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 20498192 is about 4527.4929044671. The cubic root of 20498192 is about 273.6771376040.

The spelling of 20498192 in words is "twenty million, four hundred ninety-eight thousand, one hundred ninety-two".