20013012222 has 16 divisors (see below), whose sum is σ = 45744028032. Its totient is φ = 5718003480.

The previous prime is 20013012211. The next prime is 20013012277. The reversal of 20013012222 is 22221031002.

It is a happy number.

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, 238250104 + ... + 238250187.

It is an arithmetic number, because the mean of its divisors is an integer number (2859001752).

Almost surely, 2^20013012222 is an apocalyptic number.

20013012222 is an abundant number, since it is smaller than the sum of its proper divisors (25731015810).

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

20013012222 is a wasteful number, since it uses less digits than its factorization.

20013012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476500303.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20013012222 its reverse (22221031002), we get a palindrome (42234043224).

The spelling of 20013012222 in words is "twenty billion, thirteen million, twelve thousand, two hundred twenty-two".