20401141557750 has 64 divisors (see below), whose sum is σ = 50926666332672. Its totient is φ = 5439725676000.

The previous prime is 20401141557733. The next prime is 20401141557773. The reversal of 20401141557750 is 5775514110402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5631117 + ... + 8515383.

It is an arithmetic number, because the mean of its divisors is an integer number (795729161448).

Almost surely, 2^{20401141557750} is an apocalyptic number.

20401141557750 is an abundant number, since it is smaller than the sum of its proper divisors (30525524774922).

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

20401141557750 is a wasteful number, since it uses less digits than its factorization.

20401141557750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893718 (or 2893708 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 42.

The spelling of 20401141557750 in words is "twenty trillion, four hundred one billion, one hundred forty-one million, five hundred fifty-seven thousand, seven hundred fifty".