20145411140 has 24 divisors (see below), whose sum is σ = 42309328320. Its totient is φ = 8057409248.

The previous prime is 20145411107. The next prime is 20145411191. The reversal of 20145411140 is 4111454102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204191 + ... + 286329.

It is an arithmetic number, because the mean of its divisors is an integer number (1762888680).

Almost surely, 2^20145411140 is an apocalyptic number.

20145411140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20145411140 is an abundant number, since it is smaller than the sum of its proper divisors (22163917180).

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

20145411140 is a wasteful number, since it uses less digits than its factorization.

20145411140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94411 (or 94409 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 20145411140 its reverse (4111454102), we get a palindrome (24256865242).

The spelling of 20145411140 in words is "twenty billion, one hundred forty-five million, four hundred eleven thousand, one hundred forty".