1023202002022 has 4 divisors (see below), whose sum is σ = 1534803003036. Its totient is φ = 511601001010.

The previous prime is 1023202002001. The next prime is 1023202002029. The reversal of 1023202002022 is 2202002023201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1023202001987 and 1023202002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023202002029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255800500504 + ... + 255800500507.

It is an arithmetic number, because the mean of its divisors is an integer number (383700750759).

Almost surely, 2^{1023202002022} is an apocalyptic number.

1023202002022 is a deficient number, since it is larger than the sum of its proper divisors (511601001014).

1023202002022 is an equidigital number, since it uses as much as digits as its factorization.

1023202002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511601001013.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 1023202002022 its reverse (2202002023201), we get a palindrome (3225204025223).

The spelling of 1023202002022 in words is "one trillion, twenty-three billion, two hundred two million, two thousand, twenty-two".