20434272006 has 64 divisors (see below), whose sum is σ = 42172498368. Its totient is φ = 6597746688.

The previous prime is 20434271999. The next prime is 20434272037. The reversal of 20434272006 is 60027243402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23843530 + ... + 23844386.

It is an arithmetic number, because the mean of its divisors is an integer number (658945287).

Almost surely, 2^20434272006 is an apocalyptic number.

20434272006 is an abundant number, since it is smaller than the sum of its proper divisors (21738226362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20434272006 is a wasteful number, since it uses less digits than its factorization.

20434272006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 20434272006 in words is "twenty billion, four hundred thirty-four million, two hundred seventy-two thousand, six".