20266471015336 has 32 divisors (see below), whose sum is σ = 46768779267840. Its totient is φ = 8017505016768.

The previous prime is 20266471015267. The next prime is 20266471015339. The reversal of 20266471015336 is 63351017466202.

It is a happy number.

It is a super-3 number, since 3×20266471015336³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20266471015339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13919278816 + ... + 13919280271.

It is an arithmetic number, because the mean of its divisors is an integer number (1461524352120).

Almost surely, 2^{20266471015336} is an apocalyptic number.

20266471015336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20266471015336 is an abundant number, since it is smaller than the sum of its proper divisors (26502308252504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20266471015336 is a wasteful number, since it uses less digits than its factorization.

20266471015336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27838559113 (or 27838559109 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 20266471015336 in words is "twenty trillion, two hundred sixty-six billion, four hundred seventy-one million, fifteen thousand, three hundred thirty-six".