1001920294000 has 40 divisors (see below), whose sum is σ = 2422643275728. Its totient is φ = 400768116800.

The previous prime is 1001920293967. The next prime is 1001920294009. The reversal of 1001920294000 is 4920291001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1001920294000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001920294009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250478074 + ... + 250482073.

Almost surely, 2^{1001920294000} is an apocalyptic number.

1001920294000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001920294000 is an abundant number, since it is smaller than the sum of its proper divisors (1420722981728).

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

1001920294000 is an equidigital number, since it uses as much as digits as its factorization.

1001920294000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500960170 (or 500960154 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1001920294000 in words is "one trillion, one billion, nine hundred twenty million, two hundred ninety-four thousand".