20012002222000 has 80 divisors (see below), whose sum is σ = 48487575730464. Its totient is φ = 7988497440000.

The previous prime is 20012002221907. The next prime is 20012002222063. The reversal of 20012002222000 is 22220021002.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9207411 + ... + 11171410.

Almost surely, 2^{20012002222000} is an apocalyptic number.

20012002222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012002222000 is an abundant number, since it is smaller than the sum of its proper divisors (28475573508464).

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

20012002222000 is a wasteful number, since it uses less digits than its factorization.

20012002222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20379335 (or 20379319 counting only the distinct ones).

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

Adding to 20012002222000 its reverse (22220021002), we get a palindrome (20034222243002).

The spelling of 20012002222000 in words is "twenty trillion, twelve billion, two million, two hundred twenty-two thousand".