20252396 has 6 divisors (see below), whose sum is σ = 35441700. Its totient is φ = 10126196.

The previous prime is 20252381. The next prime is 20252447. The reversal of 20252396 is 69325202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2531546 + ... + 2531553.

It is an arithmetic number, because the mean of its divisors is an integer number (5906950).

Almost surely, 2^20252396 is an apocalyptic number.

It is an amenable number.

20252396 is a deficient number, since it is larger than the sum of its proper divisors (15189304).

20252396 is a wasteful number, since it uses less digits than its factorization.

20252396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063103 (or 5063101 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20252396 is about 4500.2662143478. The cubic root of 20252396 is about 272.5788386760.

Adding to 20252396 its reverse (69325202), we get a palindrome (89577598).

The spelling of 20252396 in words is "twenty million, two hundred fifty-two thousand, three hundred ninety-six".