20020020120202 has 4 divisors (see below), whose sum is σ = 30030030180306. Its totient is φ = 10010010060100.

The previous prime is 20020020120173. The next prime is 20020020120203. The reversal of 20020020120202 is 20202102002002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10822514278081 + 9197505842121 = 3289759^2 + 3032739^2 .

It is a super-2 number, since 2×20020020120202² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20020020120203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005005030049 + ... + 5005005030052.

Almost surely, 2^{20020020120202} is an apocalyptic number.

20020020120202 is a deficient number, since it is larger than the sum of its proper divisors (10010010060104).

20020020120202 is a wasteful number, since it uses less digits than its factorization.

20020020120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010010060103.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020020120202 its reverse (20202102002002), we get a palindrome (40222122122204).

The spelling of 20020020120202 in words is "twenty trillion, twenty billion, twenty million, one hundred twenty thousand, two hundred two".