1023402441020 has 12 divisors (see below), whose sum is σ = 2149145126184. Its totient is φ = 409360976400.

The previous prime is 1023402441001. The next prime is 1023402441031. The reversal of 1023402441020 is 201442043201.

It is a congruent number.

It is an unprimeable number.

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, 25585061006 + ... + 25585061045.

It is an arithmetic number, because the mean of its divisors is an integer number (179095427182).

Almost surely, 2^{1023402441020} is an apocalyptic number.

1023402441020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023402441020 is an abundant number, since it is smaller than the sum of its proper divisors (1125742685164).

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

1023402441020 is a wasteful number, since it uses less digits than its factorization.

1023402441020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51170122060 (or 51170122058 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1023402441020 its reverse (201442043201), we get a palindrome (1224844484221).

The spelling of 1023402441020 in words is "one trillion, twenty-three billion, four hundred two million, four hundred forty-one thousand, twenty".