58221020 has 48 divisors (see below), whose sum is σ = 143646048. Its totient is φ = 19541760.

The previous prime is 58221001. The next prime is 58221029. The reversal of 58221020 is 2012285.

58221020 is nontrivially palindromic in base 15.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 58220983 and 58221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58221029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7319 + ... + 13038.

It is an arithmetic number, because the mean of its divisors is an integer number (2992626).

Almost surely, 2^58221020 is an apocalyptic number.

It is an amenable number.

58221020 is an abundant number, since it is smaller than the sum of its proper divisors (85425028).

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

58221020 is a wasteful number, since it uses less digits than its factorization.

58221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20390 (or 20388 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 58221020 is about 7630.2699821173. The cubic root of 58221020 is about 387.5787311409.

The spelling of 58221020 in words is "fifty-eight million, two hundred twenty-one thousand, twenty".