20058736 has 40 divisors (see below), whose sum is σ = 41239424. Its totient is φ = 9434880.

The previous prime is 20058719. The next prime is 20058739. The reversal of 20058736 is 63785002.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 20058698 and 20058707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20058739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17806 + ... + 18898.

Almost surely, 2^20058736 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 20058736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20619712).

20058736 is an abundant number, since it is smaller than the sum of its proper divisors (21180688).

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

20058736 is a wasteful number, since it uses less digits than its factorization.

20058736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20058736 is about 4478.6980250961. The cubic root of 20058736 is about 271.7072253461.

The spelling of 20058736 in words is "twenty million, fifty-eight thousand, seven hundred thirty-six".