5620421520 has 600 divisors, whose sum is σ = 23481139968. Its totient is φ = 1241049600.

The previous prime is 5620421503. The next prime is 5620421533. The reversal of 5620421520 is 251240265.

5620421520 is a `hidden beast` number, since 5 + 620 + 4 + 2 + 15 + 20 = 666.

It is a super-2 number, since 2×5620421520² = 63178276124958220800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 9842835 + ... + 9843405.

Almost surely, 2^5620421520 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 5620421520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11740569984).

5620421520 is an abundant number, since it is smaller than the sum of its proper divisors (17860718448).

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

5620421520 is a wasteful number, since it uses less digits than its factorization.

5620421520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5620421520 is about 74969.4705863660. The cubic root of 5620421520 is about 1777.9639978657.

Adding to 5620421520 its reverse (251240265), we get a palindrome (5871661785).

The spelling of 5620421520 in words is "five billion, six hundred twenty million, four hundred twenty-one thousand, five hundred twenty".