20240311122240 has 112 divisors (see below), whose sum is σ = 70105077650880. Its totient is φ = 4906742087680.

The previous prime is 20240311122211. The next prime is 20240311122301. The reversal of 20240311122240 is 4222111304202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20240311122240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958337505 + ... + 958358624.

Almost surely, 2^{20240311122240} is an apocalyptic number.

20240311122240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20240311122240 is an abundant number, since it is smaller than the sum of its proper divisors (49864766528640).

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

20240311122240 is a wasteful number, since it uses less digits than its factorization.

20240311122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916696160 (or 1916696150 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20240311122240 its reverse (4222111304202), we get a palindrome (24462422426442).

The spelling of 20240311122240 in words is "twenty trillion, two hundred forty billion, three hundred eleven million, one hundred twenty-two thousand, two hundred forty".