1002020022023 has 4 divisors (see below), whose sum is σ = 1002433569648. Its totient is φ = 1001606474400.

The previous prime is 1002020022011. The next prime is 1002020022061. The reversal of 1002020022023 is 3202200202001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002020022023 - 2⁸ = 1002020021767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002020021989 and 1002020022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002020025023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206770178 + ... + 206775023.

It is an arithmetic number, because the mean of its divisors is an integer number (250608392412).

Almost surely, 2^{1002020022023} is an apocalyptic number.

1002020022023 is a deficient number, since it is larger than the sum of its proper divisors (413547625).

1002020022023 is an equidigital number, since it uses as much as digits as its factorization.

1002020022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413547624.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 1002020022023 its reverse (3202200202001), we get a palindrome (4204220224024).

The spelling of 1002020022023 in words is "one trillion, two billion, twenty million, twenty-two thousand, twenty-three".