20020102222012 has 48 divisors (see below), whose sum is σ = 37060611517440. Its totient is φ = 9443322016128.

The previous prime is 20020102221991. The next prime is 20020102222073. The reversal of 20020102222012 is 21022220102002.

It is a congruent number.

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, 334312689 + ... + 334372567.

It is an arithmetic number, because the mean of its divisors is an integer number (772096073280).

Almost surely, 2^{20020102222012} is an apocalyptic number.

It is an amenable number.

20020102222012 is a deficient number, since it is larger than the sum of its proper divisors (17040509295428).

20020102222012 is a wasteful number, since it uses less digits than its factorization.

20020102222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109762 (or 109760 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20020102222012 its reverse (21022220102002), we get a palindrome (41042322324014).

The spelling of 20020102222012 in words is "twenty trillion, twenty billion, one hundred two million, two hundred twenty-two thousand, twelve".