2623543020 has 480 divisors, whose sum is σ = 10303856640. Its totient is φ = 544942080.

The previous prime is 2623542959. The next prime is 2623543031. The reversal of 2623543020 is 203453262.

2623543020 is a `hidden beast` number, since 2 + 6 + 2 + 354 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5975961 + ... + 5976399.

It is an arithmetic number, because the mean of its divisors is an integer number (21466368).

Almost surely, 2^2623543020 is an apocalyptic number.

2623543020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2623543020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5151928320).

2623543020 is an abundant number, since it is smaller than the sum of its proper divisors (7680313620).

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

2623543020 is a wasteful number, since it uses less digits than its factorization.

2623543020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2623543020 is about 51220.5331873849. The cubic root of 2623543020 is about 1379.2068220780.

Adding to 2623543020 its reverse (203453262), we get a palindrome (2826996282).

The spelling of 2623543020 in words is "two billion, six hundred twenty-three million, five hundred forty-three thousand, twenty".