20270396 has 6 divisors (see below), whose sum is σ = 35473200. Its totient is φ = 10135196.

The previous prime is 20270389. The next prime is 20270417. The reversal of 20270396 is 69307202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2533796 + ... + 2533803.

It is an arithmetic number, because the mean of its divisors is an integer number (5912200).

Almost surely, 2^20270396 is an apocalyptic number.

It is an amenable number.

20270396 is a deficient number, since it is larger than the sum of its proper divisors (15202804).

20270396 is a wasteful number, since it uses less digits than its factorization.

20270396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067603 (or 5067601 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 20270396 is about 4502.2656518691. The cubic root of 20270396 is about 272.6595693088.

Adding to 20270396 its reverse (69307202), we get a palindrome (89577598).

The spelling of 20270396 in words is "twenty million, two hundred seventy thousand, three hundred ninety-six".