20669892862 has 16 divisors (see below), whose sum is σ = 34055660160. Its totient is φ = 9365305752.

The previous prime is 20669892797. The next prime is 20669892871. The reversal of 20669892862 is 26829896602.

It is a junction number, because it is equal to n+sod(n) for n = 20669892797 and 20669892806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11824008 + ... + 11825755.

It is an arithmetic number, because the mean of its divisors is an integer number (2128478760).

Almost surely, 2^20669892862 is an apocalyptic number.

20669892862 is a deficient number, since it is larger than the sum of its proper divisors (13385767298).

20669892862 is a wasteful number, since it uses less digits than its factorization.

20669892862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23649807.

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 20669892862 in words is "twenty billion, six hundred sixty-nine million, eight hundred ninety-two thousand, eight hundred sixty-two".