20362073 has 6 divisors (see below), whose sum is σ = 21630606. Its totient is φ = 19164032.

The previous prime is 20362063. The next prime is 20362081. The reversal of 20362073 is 37026302.

It can be written as a sum of positive squares in 3 ways, for example, as 2274064 + 18088009 = 1508^2 + 4253^2 .

It is not a de Polignac number, because 20362073 - 2⁴ = 20362057 is a prime.

It is a super-2 number, since 2×20362073² = 829228033714658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20362003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34940 + ... + 35517.

It is an arithmetic number, because the mean of its divisors is an integer number (3605101).

Almost surely, 2^20362073 is an apocalyptic number.

It is an amenable number.

20362073 is a deficient number, since it is larger than the sum of its proper divisors (1268533).

20362073 is an equidigital number, since it uses as much as digits as its factorization.

20362073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70491 (or 70474 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 20362073 is about 4512.4353734984. The cubic root of 20362073 is about 273.0700040078.

Adding to 20362073 its reverse (37026302), we get a palindrome (57388375).

The spelling of 20362073 in words is "twenty million, three hundred sixty-two thousand, seventy-three".