1002023233020 has 72 divisors (see below), whose sum is σ = 3039616301904. Its totient is φ = 267193375488.

The previous prime is 1002023233019. The next prime is 1002023233027. The reversal of 1002023233020 is 203323202001.

It is a happy number.

1002023233020 is a `hidden beast` number, since 100 + 2 + 0 + 232 + 330 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1002023232984 and 1002023233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002023233027) 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 23 ways as a sum of consecutive naturals, for example, 3979512 + ... + 4223808.

It is an arithmetic number, because the mean of its divisors is an integer number (42216893082).

Almost surely, 2^{1002023233020} is an apocalyptic number.

1002023233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002023233020 is an abundant number, since it is smaller than the sum of its proper divisors (2037593068884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002023233020 is a wasteful number, since it uses less digits than its factorization.

1002023233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267099 (or 267094 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1002023233020 its reverse (203323202001), we get a palindrome (1205346435021).

The spelling of 1002023233020 in words is "one trillion, two billion, twenty-three million, two hundred thirty-three thousand, twenty".