20211130144040 has 128 divisors (see below), whose sum is σ = 49652836168320. Its totient is φ = 7343031628800.

The previous prime is 20211130144039. The next prime is 20211130144043. The reversal of 20211130144040 is 4044103111202.

It is a super-2 number, since 2×20211130144040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211130143997 and 20211130144015.

It is not an unprimeable number, because it can be changed into a prime (20211130144043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3796940819 + ... + 3796946141.

It is an arithmetic number, because the mean of its divisors is an integer number (387912782565).

Almost surely, 2^{20211130144040} is an apocalyptic number.

20211130144040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211130144040 is an abundant number, since it is smaller than the sum of its proper divisors (29441706024280).

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

20211130144040 is a wasteful number, since it uses less digits than its factorization.

20211130144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11323 (or 11319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20211130144040 its reverse (4044103111202), we get a palindrome (24255233255242).

The spelling of 20211130144040 in words is "twenty trillion, two hundred eleven billion, one hundred thirty million, one hundred forty-four thousand, forty".