1020202020202 has 32 divisors (see below), whose sum is σ = 1624870180224. Its totient is φ = 479375582400.

The previous prime is 1020202020199. The next prime is 1020202020209. The reversal of 1020202020202 is 2020202020201.

It is a super-2 number, since 2×1020202020202² (a number of 25 digits) contains 22 as substring.

1020202020202 is a modest number, since divided by 2020202 gives 10202 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1020202020209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2253577 + ... + 2668147.

It is an arithmetic number, because the mean of its divisors is an integer number (50777193132).

Almost surely, 2^{1020202020202} is an apocalyptic number.

1020202020202 is a deficient number, since it is larger than the sum of its proper divisors (604668160022).

1020202020202 is a wasteful number, since it uses less digits than its factorization.

1020202020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415534.

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

Adding to 1020202020202 its reverse (2020202020201), we get a palindrome (3040404040403).

Subtracting 1020202020202 from its reverse (2020202020201), we obtain a palindrome (999999999999).

The spelling of 1020202020202 in words is "one trillion, twenty billion, two hundred two million, twenty thousand, two hundred two".