20750058 has 24 divisors (see below), whose sum is σ = 51381408. Its totient is φ = 5928552.

The previous prime is 20750027. The next prime is 20750069. The reversal of 20750058 is 85005702.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82216 + ... + 82467.

It is an arithmetic number, because the mean of its divisors is an integer number (2140892).

Almost surely, 2^20750058 is an apocalyptic number.

20750058 is an abundant number, since it is smaller than the sum of its proper divisors (30631350).

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

20750058 is a wasteful number, since it uses less digits than its factorization.

20750058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164698 (or 164695 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 20750058 is about 4555.2231558948. The cubic root of 20750058 is about 274.7934890368.

The spelling of 20750058 in words is "twenty million, seven hundred fifty thousand, fifty-eight".