20667539301 has 16 divisors (see below), whose sum is σ = 28598064960. Its totient is φ = 13260723840.

The previous prime is 20667539297. The next prime is 20667539309. The reversal of 20667539301 is 10393576602.

It is not a de Polignac number, because 20667539301 - 2² = 20667539297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20667539309) 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, 352255 + ... + 406716.

It is an arithmetic number, because the mean of its divisors is an integer number (1787379060).

Almost surely, 2^20667539301 is an apocalyptic number.

It is an amenable number.

20667539301 is a deficient number, since it is larger than the sum of its proper divisors (7930525659).

20667539301 is a wasteful number, since it uses less digits than its factorization.

20667539301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759316.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 20667539301 in words is "twenty billion, six hundred sixty-seven million, five hundred thirty-nine thousand, three hundred one".