20295406983 has 8 divisors (see below), whose sum is σ = 27176683248. Its totient is φ = 13472201024.

The previous prime is 20295406949. The next prime is 20295406997. The reversal of 20295406983 is 38960459202.

It is a happy number.

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 20295406983 - 2²¹ = 20293309831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20295406913) 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 in 7 ways as a sum of consecutive naturals, for example, 14516760 + ... + 14518157.

It is an arithmetic number, because the mean of its divisors is an integer number (3397085406).

Almost surely, 2^20295406983 is an apocalyptic number.

20295406983 is a deficient number, since it is larger than the sum of its proper divisors (6881276265).

20295406983 is a wasteful number, since it uses less digits than its factorization.

20295406983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29035153.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 20295406983 in words is "twenty billion, two hundred ninety-five million, four hundred six thousand, nine hundred eighty-three".