20026037 has 4 divisors (see below), whose sum is σ = 20716620. Its totient is φ = 19335456.

The previous prime is 20026033. The next prime is 20026063. The reversal of 20026037 is 73062002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13845841 + 6180196 = 3721^2 + 2486^2 .

It is a cyclic number.

It is not a de Polignac number, because 20026037 - 2² = 20026033 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345248 + ... + 345305.

It is an arithmetic number, because the mean of its divisors is an integer number (5179155).

Almost surely, 2^20026037 is an apocalyptic number.

It is an amenable number.

20026037 is a deficient number, since it is larger than the sum of its proper divisors (690583).

20026037 is an equidigital number, since it uses as much as digits as its factorization.

20026037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690582.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20026037 is about 4475.0460332828. The cubic root of 20026037 is about 271.5595027330.

Adding to 20026037 its reverse (73062002), we get a palindrome (93088039).

The spelling of 20026037 in words is "twenty million, twenty-six thousand, thirty-seven".