5621650020 has 192 divisors, whose sum is σ = 20032320000. Its totient is φ = 1282106880.

The previous prime is 5621650007. The next prime is 5621650037. The reversal of 5621650020 is 200561265.

5621650020 is a `hidden beast` number, since 5 + 6 + 2 + 1 + 650 + 0 + 2 + 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 63 ways as a sum of consecutive naturals, for example, 2043606 + ... + 2046354.

It is an arithmetic number, because the mean of its divisors is an integer number (104335000).

Almost surely, 2^5621650020 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 5621650020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10016160000).

5621650020 is an abundant number, since it is smaller than the sum of its proper divisors (14410669980).

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

5621650020 is a wasteful number, since it uses less digits than its factorization.

5621650020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315 (or 3307 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5621650020 is about 74977.6634738640. The cubic root of 5621650020 is about 1778.0935296479.

The spelling of 5621650020 in words is "five billion, six hundred twenty-one million, six hundred fifty thousand, twenty".