20102265026 has 8 divisors (see below), whose sum is σ = 31927126860. Its totient is φ = 9459889408.

The previous prime is 20102265023. The next prime is 20102265047. The reversal of 20102265026 is 62056220102.

It can be written as a sum of positive squares in 2 ways, for example, as 19557742801 + 544522225 = 139849^2 + 23335^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20102264986 and 20102265004.

It is not an unprimeable number, because it can be changed into a prime (20102265023) 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, 295621511 + ... + 295621578.

Almost surely, 2^20102265026 is an apocalyptic number.

20102265026 is a deficient number, since it is larger than the sum of its proper divisors (11824861834).

20102265026 is a wasteful number, since it uses less digits than its factorization.

20102265026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591243108.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20102265026 its reverse (62056220102), we get a palindrome (82158485128).

The spelling of 20102265026 in words is "twenty billion, one hundred two million, two hundred sixty-five thousand, twenty-six".