20246415266 has 48 divisors (see below), whose sum is σ = 38173204608. Its totient is φ = 7883472960.

The previous prime is 20246415253. The next prime is 20246415269. The reversal of 20246415266 is 66251464202.

20246415266 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20246415266² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20246415269) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4430915 + ... + 4435481.

It is an arithmetic number, because the mean of its divisors is an integer number (795275096).

Almost surely, 2^20246415266 is an apocalyptic number.

20246415266 is a deficient number, since it is larger than the sum of its proper divisors (17926789342).

20246415266 is a wasteful number, since it uses less digits than its factorization.

20246415266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215 (or 7204 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 20246415266 its reverse (66251464202), we get a palindrome (86497879468).

The spelling of 20246415266 in words is "twenty billion, two hundred forty-six million, four hundred fifteen thousand, two hundred sixty-six".