20401101031404 has 24 divisors (see below), whose sum is σ = 47605131212800. Its totient is φ = 6800000990544.

The previous prime is 20401101031403. The next prime is 20401101031429. The reversal of 20401101031404 is 40413010110402.

It is a super-2 number, since 2×20401101031404² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20401101031403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45520204 + ... + 45966195.

Almost surely, 2^{20401101031404} is an apocalyptic number.

It is an amenable number.

20401101031404 is an abundant number, since it is smaller than the sum of its proper divisors (27204030181396).

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

20401101031404 is a wasteful number, since it uses less digits than its factorization.

20401101031404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91504989 (or 91504987 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20401101031404 its reverse (40413010110402), we get a palindrome (60814111141806).

The spelling of 20401101031404 in words is "twenty trillion, four hundred one billion, one hundred one million, thirty-one thousand, four hundred four".