20182396 has 24 divisors (see below), whose sum is σ = 38252144. Its totient is φ = 9262080.

The previous prime is 20182391. The next prime is 20182403. The reversal of 20182396 is 69328102.

20182396 = 388² + 389² + ... + 491².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20182391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9031 + ... + 11041.

Almost surely, 2^20182396 is an apocalyptic number.

20182396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20182396 is a deficient number, since it is larger than the sum of its proper divisors (18069748).

20182396 is a wasteful number, since it uses less digits than its factorization.

20182396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 20182396 is about 4492.4821646836. The cubic root of 20182396 is about 272.2644307051.

The spelling of 20182396 in words is "twenty million, one hundred eighty-two thousand, three hundred ninety-six".