1020202020201 has 96 divisors (see below), whose sum is σ = 1736793689344. Its totient is φ = 518348160000.

The previous prime is 1020202020199. The next prime is 1020202020209.

1020202020201 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1020202020201 - 2¹ = 1020202020199 is a prime.

It is a super-2 number, since 2×1020202020201² (a number of 25 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 103035351 + ... + 103045251.

Almost surely, 2^{1020202020201} is an apocalyptic number.

It is an amenable number.

1020202020201 is a deficient number, since it is larger than the sum of its proper divisors (716591669143).

1020202020201 is a wasteful number, since it uses less digits than its factorization.

1020202020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163 (or 10062 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The spelling of 1020202020201 in words is "one trillion, twenty billion, two hundred two million, twenty thousand, two hundred one".