20012214105 has 64 divisors (see below), whose sum is σ = 40567806720. Its totient is φ = 9272613888.

The previous prime is 20012214097. The next prime is 20012214107. The reversal of 20012214105 is 50141221002.

It is not a de Polignac number, because 20012214105 - 2³ = 20012214097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012214107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305547 + ... + 365216.

It is an arithmetic number, because the mean of its divisors is an integer number (633871980).

Almost surely, 2^20012214105 is an apocalyptic number.

It is an amenable number.

20012214105 is an abundant number, since it is smaller than the sum of its proper divisors (20555592615).

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

20012214105 is a wasteful number, since it uses less digits than its factorization.

20012214105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670807 (or 670801 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 20012214105 its reverse (50141221002), we get a palindrome (70153435107).

The spelling of 20012214105 in words is "twenty billion, twelve million, two hundred fourteen thousand, one hundred five".