20398294 has 8 divisors (see below), whose sum is σ = 34968528. Its totient is φ = 8742120.

The previous prime is 20398291. The next prime is 20398307. The reversal of 20398294 is 49289302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20398294² = 832180796220872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20398291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728497 + ... + 728524.

It is an arithmetic number, because the mean of its divisors is an integer number (4371066).

Almost surely, 2^20398294 is an apocalyptic number.

20398294 is a deficient number, since it is larger than the sum of its proper divisors (14570234).

20398294 is a wasteful number, since it uses less digits than its factorization.

20398294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457030.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 20398294 is about 4516.4470549316. The cubic root of 20398294 is about 273.2318246244.

The spelling of 20398294 in words is "twenty million, three hundred ninety-eight thousand, two hundred ninety-four".