20076542758 has 4 divisors (see below), whose sum is σ = 30114814140. Its totient is φ = 10038271378.

The previous prime is 20076542753. The next prime is 20076542789. The reversal of 20076542758 is 85724567002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20076542758² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20076542753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5019135688 + ... + 5019135691.

It is an arithmetic number, because the mean of its divisors is an integer number (7528703535).

Almost surely, 2^20076542758 is an apocalyptic number.

20076542758 is a deficient number, since it is larger than the sum of its proper divisors (10038271382).

20076542758 is a wasteful number, since it uses less digits than its factorization.

20076542758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038271381.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 20076542758 in words is "twenty billion, seventy-six million, five hundred forty-two thousand, seven hundred fifty-eight".