20012002222 has 8 divisors (see below), whose sum is σ = 30079141272. Its totient is φ = 9985621800.

The previous prime is 20012002181. The next prime is 20012002249. The reversal of 20012002222 is 22220021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10188429 + ... + 10190392.

It is an arithmetic number, because the mean of its divisors is an integer number (3759892659).

Almost surely, 2^20012002222 is an apocalyptic number.

20012002222 is a deficient number, since it is larger than the sum of its proper divisors (10067139050).

20012002222 is a wasteful number, since it uses less digits than its factorization.

20012002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20379314.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20012002222 its reverse (22220021002), we get a palindrome (42232023224).

The spelling of 20012002222 in words is "twenty billion, twelve million, two thousand, two hundred twenty-two".