20254298 has 4 divisors (see below), whose sum is σ = 30381450. Its totient is φ = 10127148.

The previous prime is 20254291. The next prime is 20254309. The reversal of 20254298 is 89245202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89245202 = 2 ⋅44622601.

It can be written as a sum of positive squares in only one way, i.e., 10413529 + 9840769 = 3227^2 + 3137^2 .

It is not an unprimeable number, because it can be changed into a prime (20254291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5063573 + ... + 5063576.

Almost surely, 2^20254298 is an apocalyptic number.

20254298 is a deficient number, since it is larger than the sum of its proper divisors (10127152).

20254298 is a wasteful number, since it uses less digits than its factorization.

20254298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10127151.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 20254298 is about 4500.4775302183. The cubic root of 20254298 is about 272.5873714725.

The spelling of 20254298 in words is "twenty million, two hundred fifty-four thousand, two hundred ninety-eight".