20377214065 has 16 divisors (see below), whose sum is σ = 26704532736. Its totient is φ = 14835844800.

The previous prime is 20377214059. The next prime is 20377214083. The reversal of 20377214065 is 56041277302.

It is a happy number.

It is not a de Polignac number, because 20377214065 - 2²³ = 20368825457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2203101 + ... + 2212330.

It is an arithmetic number, because the mean of its divisors is an integer number (1669033296).

Almost surely, 2^20377214065 is an apocalyptic number.

It is an amenable number.

20377214065 is a deficient number, since it is larger than the sum of its proper divisors (6327318671).

20377214065 is a wasteful number, since it uses less digits than its factorization.

20377214065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415520.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 20377214065 in words is "twenty billion, three hundred seventy-seven million, two hundred fourteen thousand, sixty-five".