20240077056540 has 96 divisors (see below), whose sum is σ = 62436356720640. Its totient is φ = 4858104288000.

The previous prime is 20240077056491. The next prime is 20240077056547. The reversal of 20240077056540 is 4565077004202.

It is a junction number, because it is equal to n+sod(n) for n = 20240077056492 and 20240077056501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240077056547) 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, 151749100 + ... + 151882419.

It is an arithmetic number, because the mean of its divisors is an integer number (650378715840).

Almost surely, 2^{20240077056540} is an apocalyptic number.

20240077056540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20240077056540 is an abundant number, since it is smaller than the sum of its proper divisors (42196279664100).

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

20240077056540 is a wasteful number, since it uses less digits than its factorization.

20240077056540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303631643 (or 303631641 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 20240077056540 in words is "twenty trillion, two hundred forty billion, seventy-seven million, fifty-six thousand, five hundred forty".