20058885545 has 4 divisors (see below), whose sum is σ = 24070662660. Its totient is φ = 16047108432.

The previous prime is 20058885499. The next prime is 20058885569. The reversal of 20058885545 is 54558885002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3465323689 + 16593561856 = 58867^2 + 128816^2 .

It is a cyclic number.

It is not a de Polignac number, because 20058885545 - 2¹² = 20058881449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20058885493 and 20058885502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005888550 + ... + 2005888559.

It is an arithmetic number, because the mean of its divisors is an integer number (6017665665).

Almost surely, 2^20058885545 is an apocalyptic number.

It is an amenable number.

20058885545 is a deficient number, since it is larger than the sum of its proper divisors (4011777115).

20058885545 is an equidigital number, since it uses as much as digits as its factorization.

20058885545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011777114.

The product of its (nonzero) digits is 2560000, while the sum is 50.

The spelling of 20058885545 in words is "twenty billion, fifty-eight million, eight hundred eighty-five thousand, five hundred forty-five".