20276101066 has 16 divisors (see below), whose sum is σ = 34477581600. Its totient is φ = 8865663408.

The previous prime is 20276101049. The next prime is 20276101133. The reversal of 20276101066 is 66010167202.

It is a happy number.

It is a super-2 number, since 2×20276101066² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 20521876 + ... + 20522863.

It is an arithmetic number, because the mean of its divisors is an integer number (2154848850).

Almost surely, 2^20276101066 is an apocalyptic number.

20276101066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20276101066 is a deficient number, since it is larger than the sum of its proper divisors (14201480534).

20276101066 is a wasteful number, since it uses less digits than its factorization.

20276101066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41044773.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 20276101066 its reverse (66010167202), we get a palindrome (86286268268).

The spelling of 20276101066 in words is "twenty billion, two hundred seventy-six million, one hundred one thousand, sixty-six".