1020002223432 has 16 divisors (see below), whose sum is σ = 2550005558640. Its totient is φ = 340000741136.

The previous prime is 1020002223403. The next prime is 1020002223433. The reversal of 1020002223432 is 2343222000201.

It is a junction number, because it is equal to n+sod(n) for n = 1020002223399 and 1020002223408.

It is not an unprimeable number, because it can be changed into a prime (1020002223433) 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 3 ways as a sum of consecutive naturals, for example, 21250046298 + ... + 21250046345.

It is an arithmetic number, because the mean of its divisors is an integer number (159375347415).

Almost surely, 2^{1020002223432} is an apocalyptic number.

1020002223432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020002223432 is an abundant number, since it is smaller than the sum of its proper divisors (1530003335208).

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

1020002223432 is a wasteful number, since it uses less digits than its factorization.

1020002223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42500092652 (or 42500092648 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1020002223432 its reverse (2343222000201), we get a palindrome (3363224223633).

The spelling of 1020002223432 in words is "one trillion, twenty billion, two million, two hundred twenty-three thousand, four hundred thirty-two".