20052537 has 8 divisors (see below), whose sum is σ = 28309536. Its totient is φ = 12581952.

The previous prime is 20052521. The next prime is 20052541. The reversal of 20052537 is 73525002.

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

It is not a de Polignac number, because 20052537 - 2⁴ = 20052521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20052587) 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, 196543 + ... + 196644.

It is an arithmetic number, because the mean of its divisors is an integer number (3538692).

Almost surely, 2^20052537 is an apocalyptic number.

It is an amenable number.

20052537 is a deficient number, since it is larger than the sum of its proper divisors (8256999).

20052537 is a wasteful number, since it uses less digits than its factorization.

20052537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393207.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 20052537 is about 4478.0059178165. The cubic root of 20052537 is about 271.6792327776.

Adding to 20052537 its reverse (73525002), we get a palindrome (93577539).

The spelling of 20052537 in words is "twenty million, fifty-two thousand, five hundred thirty-seven".