545031214400020 has 96 divisors (see below), whose sum is σ = 1239114179229696. Its totient is φ = 200782388083200.

The previous prime is 545031214399901. The next prime is 545031214400041. The reversal of 545031214400020 is 20004412130545.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94198351 + ... + 99816790.

It is an arithmetic number, because the mean of its divisors is an integer number (12907439366976).

Almost surely, 2^{545031214400020} is an apocalyptic number.

It is an amenable number.

545031214400020 is an abundant number, since it is smaller than the sum of its proper divisors (694082964829676).

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

545031214400020 is a wasteful number, since it uses less digits than its factorization.

545031214400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194015401 (or 194015399 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 545031214400020 its reverse (20004412130545), we get a palindrome (565035626530565).

The spelling of 545031214400020 in words is "five hundred forty-five trillion, thirty-one billion, two hundred fourteen million, four hundred thousand, twenty".