20020112102002 has 16 divisors (see below), whose sum is σ = 30764003088672. Its totient is φ = 9765466498080.

The previous prime is 20020112101991. The next prime is 20020112102009. The reversal of 20020112102002 is 20020121102002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20020112102009) 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, 3695928 + ... + 7328035.

It is an arithmetic number, because the mean of its divisors is an integer number (1922750193042).

Almost surely, 2^{20020112102002} is an apocalyptic number.

20020112102002 is a deficient number, since it is larger than the sum of its proper divisors (10743890986670).

20020112102002 is a wasteful number, since it uses less digits than its factorization.

20020112102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11046153.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20020112102002 its reverse (20020121102002), we get a palindrome (40040233204004).

Subtracting 20020112102002 from its reverse (20020121102002), we obtain a square (9000000 = 3000²).

The spelling of 20020112102002 in words is "twenty trillion, twenty billion, one hundred twelve million, one hundred two thousand, two".