20252337 has 12 divisors (see below), whose sum is σ = 31412016. Its totient is φ = 11572680.

The previous prime is 20252311. The next prime is 20252341. The reversal of 20252337 is 73325202.

It is not a de Polignac number, because 20252337 - 2⁶ = 20252273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20252377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68739 + ... + 69032.

It is an arithmetic number, because the mean of its divisors is an integer number (2617668).

Almost surely, 2^20252337 is an apocalyptic number.

It is an amenable number.

20252337 is a deficient number, since it is larger than the sum of its proper divisors (11159679).

20252337 is a wasteful number, since it uses less digits than its factorization.

20252337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137788 (or 137781 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20252337 is about 4500.2596591752. The cubic root of 20252337 is about 272.5785739803.

Adding to 20252337 its reverse (73325202), we get a palindrome (93577539).

The spelling of 20252337 in words is "twenty million, two hundred fifty-two thousand, three hundred thirty-seven".