20451758058 has 12 divisors (see below), whose sum is σ = 44312142498. Its totient is φ = 6817252680.

The previous prime is 20451758057. The next prime is 20451758059. The reversal of 20451758058 is 85085715402.

20451758058 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 17 + 580 + 58 = 666.

It is an interprime number because it is at equal distance from previous prime (20451758057) and next prime (20451758059).

It can be written as a sum of positive squares in only one way, i.e., 18185331609 + 2266426449 = 134853^2 + 47607^2 .

It is a super-3 number, since 3×20451758058³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (20451758051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568104373 + ... + 568104408.

Almost surely, 2^20451758058 is an apocalyptic number.

20451758058 is an abundant number, since it is smaller than the sum of its proper divisors (23860384440).

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

20451758058 is a wasteful number, since it uses less digits than its factorization.

20451758058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136208789 (or 1136208786 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 20451758058 in words is "twenty billion, four hundred fifty-one million, seven hundred fifty-eight thousand, fifty-eight".