20020102021012 has 24 divisors (see below), whose sum is σ = 35635162802400. Its totient is φ = 9838685674656.

The previous prime is 20020102021009. The next prime is 20020102021021. The reversal of 20020102021012 is 21012020102002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020102020983 and 20020102021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975743 + ... + 8703430.

It is an arithmetic number, because the mean of its divisors is an integer number (1484798450100).

Almost surely, 2^{20020102021012} is an apocalyptic number.

It is an amenable number.

20020102021012 is a deficient number, since it is larger than the sum of its proper divisors (15615060781388).

20020102021012 is a wasteful number, since it uses less digits than its factorization.

20020102021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14685015 (or 14685013 counting only the distinct ones).

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

Adding to 20020102021012 its reverse (21012020102002), we get a palindrome (41032122123014).

The spelling of 20020102021012 in words is "twenty trillion, twenty billion, one hundred two million, twenty-one thousand, twelve".