20012221014 has 16 divisors (see below), whose sum is σ = 40172136960. Its totient is φ = 6646124520.

The previous prime is 20012220983. The next prime is 20012221063. The reversal of 20012221014 is 41012221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012220984 and 20012221002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6152194 + ... + 6155445.

It is an arithmetic number, because the mean of its divisors is an integer number (2510758560).

Almost surely, 2^20012221014 is an apocalyptic number.

20012221014 is an abundant number, since it is smaller than the sum of its proper divisors (20159915946).

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

20012221014 is a wasteful number, since it uses less digits than its factorization.

20012221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12307915.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20012221014 its reverse (41012221002), we get a palindrome (61024442016).

The spelling of 20012221014 in words is "twenty billion, twelve million, two hundred twenty-one thousand, fourteen".