20245598 has 4 divisors (see below), whose sum is σ = 30368400. Its totient is φ = 10122798.

The previous prime is 20245571. The next prime is 20245607. The reversal of 20245598 is 89554202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061398 + ... + 5061401.

It is an arithmetic number, because the mean of its divisors is an integer number (7592100).

Almost surely, 2^20245598 is an apocalyptic number.

20245598 is a deficient number, since it is larger than the sum of its proper divisors (10122802).

20245598 is a wasteful number, since it uses less digits than its factorization.

20245598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122801.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 20245598 is about 4499.5108623049. The cubic root of 20245598 is about 272.5483369630.

The spelling of 20245598 in words is "twenty million, two hundred forty-five thousand, five hundred ninety-eight".