20061227100 has 72 divisors (see below), whose sum is σ = 58910201728. Its totient is φ = 5269809600.

The previous prime is 20061227059. The next prime is 20061227149. The reversal of 20061227100 is 172216002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478936 + ... + 519135.

Almost surely, 2^20061227100 is an apocalyptic number.

20061227100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20061227100 is an abundant number, since it is smaller than the sum of its proper divisors (38848974628).

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

20061227100 is a wasteful number, since it uses less digits than its factorization.

20061227100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998155 (or 998148 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The spelling of 20061227100 in words is "twenty billion, sixty-one million, two hundred twenty-seven thousand, one hundred".