505420124202 has 24 divisors (see below), whose sum is σ = 1251516498336. Its totient is φ = 144405749736.

The previous prime is 505420124201. The next prime is 505420124233. The reversal of 505420124202 is 202421024505.

It is a super-2 number, since 2×505420124202² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505420124201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2005635288 + ... + 2005635539.

It is an arithmetic number, because the mean of its divisors is an integer number (52146520764).

Almost surely, 2^505420124202 is an apocalyptic number.

505420124202 is an abundant number, since it is smaller than the sum of its proper divisors (746096374134).

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

505420124202 is a wasteful number, since it uses less digits than its factorization.

505420124202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011270842 (or 4011270839 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 505420124202 its reverse (202421024505), we get a palindrome (707841148707).

The spelling of 505420124202 in words is "five hundred five billion, four hundred twenty million, one hundred twenty-four thousand, two hundred two".