7324864020 has 120 divisors (see below), whose sum is σ = 23539031208. Its totient is φ = 1905638400.

The previous prime is 7324864013. The next prime is 7324864087. The reversal of 7324864020 is 204684237.

7324864020 is a `hidden beast` number, since 7 + 3 + 2 + 4 + 8 + 640 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 36144144 + 7288719876 = 6012^2 + 85374^2 .

It is a super-2 number, since 2×7324864020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11280 + ... + 121560.

Almost surely, 2^7324864020 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 7324864020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11769515604).

7324864020 is an abundant number, since it is smaller than the sum of its proper divisors (16214167188).

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

7324864020 is a wasteful number, since it uses less digits than its factorization.

7324864020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110343 (or 110332 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 7324864020 is about 85585.4194357894. The cubic root of 7324864020 is about 1942.0773457690.

The spelling of 7324864020 in words is "seven billion, three hundred twenty-four million, eight hundred sixty-four thousand, twenty".