1020020020201 has 16 divisors (see below), whose sum is σ = 1255448811904. Its totient is φ = 807023378304.

The previous prime is 1020020020183. The next prime is 1020020020241. The reversal of 1020020020201 is 1020200200201.

It is not a de Polignac number, because 1020020020201 - 2¹⁵ = 1020019987433 is a prime.

It is a super-2 number, since 2×1020020020201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020020020241) 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, 3049426 + ... + 3367348.

It is an arithmetic number, because the mean of its divisors is an integer number (78465550744).

Almost surely, 2^{1020020020201} is an apocalyptic number.

It is an amenable number.

1020020020201 is a deficient number, since it is larger than the sum of its proper divisors (235428791703).

1020020020201 is a wasteful number, since it uses less digits than its factorization.

1020020020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353200.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020020020201 its reverse (1020200200201), we get a palindrome (2040220220402).

The spelling of 1020020020201 in words is "one trillion, twenty billion, twenty million, twenty thousand, two hundred one".