20555540353754 has 32 divisors (see below), whose sum is σ = 35957903788800. Its totient is φ = 8809348161264.

The previous prime is 20555540353723. The next prime is 20555540353757. The reversal of 20555540353754 is 45735304555502.

It is a junction number, because it is equal to n+sod(n) for n = 20555540353696 and 20555540353705.

It is not an unprimeable number, because it can be changed into a prime (20555540353757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39472379 + ... + 39989745.

It is an arithmetic number, because the mean of its divisors is an integer number (1123684493400).

Almost surely, 2^{20555540353754} is an apocalyptic number.

20555540353754 is a deficient number, since it is larger than the sum of its proper divisors (15402363435046).

20555540353754 is an equidigital number, since it uses as much as digits as its factorization.

20555540353754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575307 (or 575293 counting only the distinct ones).

The product of its (nonzero) digits is 31500000, while the sum is 53.

The spelling of 20555540353754 in words is "twenty trillion, five hundred fifty-five billion, five hundred forty million, three hundred fifty-three thousand, seven hundred fifty-four".