20024798 has 4 divisors (see below), whose sum is σ = 30037200. Its totient is φ = 10012398.

The previous prime is 20024749. The next prime is 20024813. The reversal of 20024798 is 89742002.

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, 5006198 + ... + 5006201.

It is an arithmetic number, because the mean of its divisors is an integer number (7509300).

Almost surely, 2^20024798 is an apocalyptic number.

20024798 is a deficient number, since it is larger than the sum of its proper divisors (10012402).

20024798 is a wasteful number, since it uses less digits than its factorization.

20024798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012401.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 20024798 is about 4474.9075968114. The cubic root of 20024798 is about 271.5539022047.

The spelling of 20024798 in words is "twenty million, twenty-four thousand, seven hundred ninety-eight".