605122005020 has 288 divisors, whose sum is σ = 1543299609600. Its totient is φ = 197966426112.

The previous prime is 605122005017. The next prime is 605122005029. The reversal of 605122005020 is 20500221506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605122005029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 182318921 + ... + 182322239.

It is an arithmetic number, because the mean of its divisors is an integer number (5358679200).

Almost surely, 2^605122005020 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 605122005020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771649804800).

605122005020 is an abundant number, since it is smaller than the sum of its proper divisors (938177604580).

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

605122005020 is a wasteful number, since it uses less digits than its factorization.

605122005020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3542 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 605122005020 its reverse (20500221506), we get a palindrome (625622226526).

The spelling of 605122005020 in words is "six hundred five billion, one hundred twenty-two million, five thousand, twenty".