20146625310116 has 24 divisors (see below), whose sum is σ = 36485576176896. Its totient is φ = 9723811980960.

The previous prime is 20146625310107. The next prime is 20146625310173. The reversal of 20146625310116 is 61101352664102.

It is a super-2 number, since 2×20146625310116² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20146625310116.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204576446 + ... + 204674901.

It is an arithmetic number, because the mean of its divisors is an integer number (1520232340704).

Almost surely, 2^{20146625310116} is an apocalyptic number.

It is an amenable number.

20146625310116 is a deficient number, since it is larger than the sum of its proper divisors (16338950866780).

20146625310116 is a wasteful number, since it uses less digits than its factorization.

20146625310116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409251779 (or 409251777 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 20146625310116 its reverse (61101352664102), we get a palindrome (81247977974218).

The spelling of 20146625310116 in words is "twenty trillion, one hundred forty-six billion, six hundred twenty-five million, three hundred ten thousand, one hundred sixteen".