1020201202023 has 32 divisors (see below), whose sum is σ = 1447559354880. Its totient is φ = 637723975680.

The previous prime is 1020201201979. The next prime is 1020201202073. The reversal of 1020201202023 is 3202021020201.

It is a happy number.

It is not a de Polignac number, because 1020201202023 - 2¹³ = 1020201193831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020201201993 and 1020201202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201202073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1082103 + ... + 1792023.

It is an arithmetic number, because the mean of its divisors is an integer number (45236229840).

Almost surely, 2^{1020201202023} is an apocalyptic number.

1020201202023 is a deficient number, since it is larger than the sum of its proper divisors (427358152857).

1020201202023 is a wasteful number, since it uses less digits than its factorization.

1020201202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710359.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1020201202023 its reverse (3202021020201), we get a palindrome (4222222222224).

The spelling of 1020201202023 in words is "one trillion, twenty billion, two hundred one million, two hundred two thousand, twenty-three".