724005020022 has 32 divisors (see below), whose sum is σ = 1449094752000. Its totient is φ = 241154298528.

The previous prime is 724005020017. The next prime is 724005020029. The reversal of 724005020022 is 220020500427.

It is a junction number, because it is equal to n+sod(n) for n = 724005019974 and 724005020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724005020029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55265229 + ... + 55278327.

It is an arithmetic number, because the mean of its divisors is an integer number (45284211000).

Almost surely, 2^724005020022 is an apocalyptic number.

724005020022 is an abundant number, since it is smaller than the sum of its proper divisors (725089731978).

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

724005020022 is a wasteful number, since it uses less digits than its factorization.

724005020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300.

The product of its (nonzero) digits is 2240, while the sum is 24.

Adding to 724005020022 its reverse (220020500427), we get a palindrome (944025520449).

The spelling of 724005020022 in words is "seven hundred twenty-four billion, five million, twenty thousand, twenty-two".