20241456521140 has 12 divisors (see below), whose sum is σ = 42507058694436. Its totient is φ = 8096582608448.

The previous prime is 20241456521123. The next prime is 20241456521147. The reversal of 20241456521140 is 4112565414202.

It can be written as a sum of positive squares in 2 ways, for example, as 14629049142436 + 5612407378704 = 3824794^2 + 2369052^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20241456521140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20241456521147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506036413009 + ... + 506036413048.

It is an arithmetic number, because the mean of its divisors is an integer number (3542254891203).

Almost surely, 2^{20241456521140} is an apocalyptic number.

20241456521140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20241456521140 is an abundant number, since it is smaller than the sum of its proper divisors (22265602173296).

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

20241456521140 is a wasteful number, since it uses less digits than its factorization.

20241456521140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012072826066 (or 1012072826064 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 20241456521140 in words is "twenty trillion, two hundred forty-one billion, four hundred fifty-six million, five hundred twenty-one thousand, one hundred forty".