555241240020 has 96 divisors (see below), whose sum is σ = 1570768012800. Its totient is φ = 146533017600.

The previous prime is 555241240019. The next prime is 555241240027. The reversal of 555241240020 is 20042142555.

555241240020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 555241240020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555241240027) 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, 14421756 + ... + 14460204.

It is an arithmetic number, because the mean of its divisors is an integer number (16362166800).

Almost surely, 2^555241240020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555241240020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785384006400).

555241240020 is an abundant number, since it is smaller than the sum of its proper divisors (1015526772780).

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

555241240020 is a wasteful number, since it uses less digits than its factorization.

555241240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40945 (or 40943 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 555241240020 its reverse (20042142555), we get a palindrome (575283382575).

The spelling of 555241240020 in words is "five hundred fifty-five billion, two hundred forty-one million, two hundred forty thousand, twenty".