20058040 has 16 divisors (see below), whose sum is σ = 45130680. Its totient is φ = 8023200.

The previous prime is 20058013. The next prime is 20058043. The reversal of 20058040 is 4085002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20057999 and 20058017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20058043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250686 + ... + 250765.

Almost surely, 2^20058040 is an apocalyptic number.

20058040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20058040 is an abundant number, since it is smaller than the sum of its proper divisors (25072640).

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

20058040 is a wasteful number, since it uses less digits than its factorization.

20058040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501462 (or 501458 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20058040 is about 4478.6203232692. The cubic root of 20058040 is about 271.7040827351.

The spelling of 20058040 in words is "twenty million, fifty-eight thousand, forty".