20020120121002 has 16 divisors (see below), whose sum is σ = 30411988992000. Its totient is φ = 9882804456720.

The previous prime is 20020120120997. The next prime is 20020120121021. The reversal of 20020120121002 is 20012102102002.

It is a happy 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, 623274 + ... + 6358357.

It is an arithmetic number, because the mean of its divisors is an integer number (1900749312000).

Almost surely, 2^{20020120121002} is an apocalyptic number.

20020120121002 is a deficient number, since it is larger than the sum of its proper divisors (10391868870998).

20020120121002 is a wasteful number, since it uses less digits than its factorization.

20020120121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999861.

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

Adding to 20020120121002 its reverse (20012102102002), we get a palindrome (40032222223004).

The spelling of 20020120121002 in words is "twenty trillion, twenty billion, one hundred twenty million, one hundred twenty-one thousand, two".