20206444407 has 16 divisors (see below), whose sum is σ = 27425694048. Its totient is φ = 13229758080.

The previous prime is 20206444393. The next prime is 20206444483. The reversal of 20206444407 is 70444460202.

It is not a de Polignac number, because 20206444407 - 2⁸ = 20206444151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20206444207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34953 + ... + 204045.

It is an arithmetic number, because the mean of its divisors is an integer number (1714105878).

Almost surely, 2^20206444407 is an apocalyptic number.

20206444407 is a deficient number, since it is larger than the sum of its proper divisors (7219249641).

20206444407 is a wasteful number, since it uses less digits than its factorization.

20206444407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169810.

The product of its (nonzero) digits is 43008, while the sum is 33.

The spelling of 20206444407 in words is "twenty billion, two hundred six million, four hundred forty-four thousand, four hundred seven".