20320310026 has 4 divisors (see below), whose sum is σ = 30480465042. Its totient is φ = 10160155012.

The previous prime is 20320309993. The next prime is 20320310029. The reversal of 20320310026 is 62001302302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62001302302 = 2 ⋅31000651151.

It can be written as a sum of positive squares in only one way, i.e., 10764270001 + 9556040025 = 103751^2 + 97755^2 .

It is a super-2 number, since 2×20320310026² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20320309985 and 20320310012.

It is not an unprimeable number, because it can be changed into a prime (20320310029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080077505 + ... + 5080077508.

Almost surely, 2^20320310026 is an apocalyptic number.

20320310026 is a deficient number, since it is larger than the sum of its proper divisors (10160155016).

20320310026 is a wasteful number, since it uses less digits than its factorization.

20320310026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160155015.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20320310026 its reverse (62001302302), we get a palindrome (82321612328).

The spelling of 20320310026 in words is "twenty billion, three hundred twenty million, three hundred ten thousand, twenty-six".