20102112002 has 16 divisors (see below), whose sum is σ = 34466096832. Its totient is φ = 8613857520.

The previous prime is 20102111969. The next prime is 20102112007. The reversal of 20102112002 is 20021120102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20102112007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14528 + ... + 201035.

It is an arithmetic number, because the mean of its divisors is an integer number (2154131052).

Almost surely, 2^20102112002 is an apocalyptic number.

20102112002 is a deficient number, since it is larger than the sum of its proper divisors (14363984830).

20102112002 is a wasteful number, since it uses less digits than its factorization.

20102112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222233.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20102112002 its reverse (20021120102), we get a palindrome (40123232104).

The spelling of 20102112002 in words is "twenty billion, one hundred two million, one hundred twelve thousand, two".