20435327672 has 16 divisors (see below), whose sum is σ = 38331934560. Its totient is φ = 10213478464.

The previous prime is 20435327641. The next prime is 20435327747. The reversal of 20435327672 is 27672353402.

It is a congruent number.

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, 502373 + ... + 541524.

It is an arithmetic number, because the mean of its divisors is an integer number (2395745910).

Almost surely, 2^20435327672 is an apocalyptic number.

It is an amenable number.

20435327672 is a deficient number, since it is larger than the sum of its proper divisors (17896606888).

20435327672 is a wasteful number, since it uses less digits than its factorization.

20435327672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046350 (or 1046346 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 20435327672 in words is "twenty billion, four hundred thirty-five million, three hundred twenty-seven thousand, six hundred seventy-two".