20353667005 has 16 divisors (see below), whose sum is σ = 27965222784. Its totient is φ = 13930989120.

The previous prime is 20353666979. The next prime is 20353667021. The reversal of 20353667005 is 50076635302.

It is a happy number.

It is not a de Polignac number, because 20353667005 - 2⁵ = 20353666973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518527 + ... + 556396.

It is an arithmetic number, because the mean of its divisors is an integer number (1747826424).

Almost surely, 2^20353667005 is an apocalyptic number.

It is an amenable number.

20353667005 is a deficient number, since it is larger than the sum of its proper divisors (7611555779).

20353667005 is a wasteful number, since it uses less digits than its factorization.

20353667005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075476.

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 20353667005 in words is "twenty billion, three hundred fifty-three million, six hundred sixty-seven thousand, five".