20610246026 has 24 divisors (see below), whose sum is σ = 31964372100. Its totient is φ = 9966594240.

The previous prime is 20610246017. The next prime is 20610246043. The reversal of 20610246026 is 62064201602.

It can be written as a sum of positive squares in 2 ways, for example, as 20520849001 + 89397025 = 143251^2 + 9455^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20610246026.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5858420 + ... + 5861936.

Almost surely, 2^20610246026 is an apocalyptic number.

20610246026 is a deficient number, since it is larger than the sum of its proper divisors (11354126074).

20610246026 is a wasteful number, since it uses less digits than its factorization.

20610246026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630 (or 6599 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20610246026 its reverse (62064201602), we get a palindrome (82674447628).

The spelling of 20610246026 in words is "twenty billion, six hundred ten million, two hundred forty-six thousand, twenty-six".