20601427783 has 8 divisors (see below), whose sum is σ = 20719440560. Its totient is φ = 20483461440.

The previous prime is 20601427733. The next prime is 20601427817. The reversal of 20601427783 is 38772410602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20601427783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601427733) 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, 1291108 + ... + 1306966.

It is an arithmetic number, because the mean of its divisors is an integer number (2589930070).

Almost surely, 2^20601427783 is an apocalyptic number.

20601427783 is a deficient number, since it is larger than the sum of its proper divisors (118012777).

20601427783 is a wasteful number, since it uses less digits than its factorization.

20601427783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23217.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 20601427783 in words is "twenty billion, six hundred one million, four hundred twenty-seven thousand, seven hundred eighty-three".