20107412810 has 8 divisors (see below), whose sum is σ = 36193343076. Its totient is φ = 8042965120.

The previous prime is 20107412761. The next prime is 20107412833. The reversal of 20107412810 is 1821470102.

It can be written as a sum of positive squares in 2 ways, for example, as 20105254849 + 2157961 = 141793^2 + 1469^2 .

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

It is a super-2 number, since 2×20107412810² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20107412810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005370631 + ... + 1005370650.

Almost surely, 2^20107412810 is an apocalyptic number.

20107412810 is a deficient number, since it is larger than the sum of its proper divisors (16085930266).

20107412810 is a wasteful number, since it uses less digits than its factorization.

20107412810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010741288.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 20107412810 its reverse (1821470102), we get a palindrome (21928882912).

The spelling of 20107412810 in words is "twenty billion, one hundred seven million, four hundred twelve thousand, eight hundred ten".