20401041022000 has 40 divisors (see below), whose sum is σ = 49329717196032. Its totient is φ = 8160416408000.

The previous prime is 20401041021989. The next prime is 20401041022007. The reversal of 20401041022000 is 22014010402.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20401041022007) 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 7 ways as a sum of consecutive naturals, for example, 5100258256 + ... + 5100262255.

Almost surely, 2^{20401041022000} is an apocalyptic number.

20401041022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20401041022000 is an abundant number, since it is smaller than the sum of its proper divisors (28928676174032).

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

20401041022000 is a wasteful number, since it uses less digits than its factorization.

20401041022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200520534 (or 10200520518 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20401041022000 its reverse (22014010402), we get a palindrome (20423055032402).

The spelling of 20401041022000 in words is "twenty trillion, four hundred one billion, forty-one million, twenty-two thousand".