20758177045 has 8 divisors (see below), whose sum is σ = 24910644096. Its totient is φ = 16605987216.

The previous prime is 20758177043. The next prime is 20758177057. The reversal of 20758177045 is 54077185702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20758177045 - 2¹ = 20758177043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20758176986 and 20758177004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20758177043) 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, 171504 + ... + 266326.

It is an arithmetic number, because the mean of its divisors is an integer number (3113830512).

Almost surely, 2^20758177045 is an apocalyptic number.

It is an amenable number.

20758177045 is a deficient number, since it is larger than the sum of its proper divisors (4152467051).

20758177045 is an equidigital number, since it uses as much as digits as its factorization.

20758177045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138611.

The product of its (nonzero) digits is 548800, while the sum is 46.

The spelling of 20758177045 in words is "twenty billion, seven hundred fifty-eight million, one hundred seventy-seven thousand, forty-five".