20366723042 has 16 divisors (see below), whose sum is σ = 30842469792. Its totient is φ = 10085942400.

The previous prime is 20366722973. The next prime is 20366723053. The reversal of 20366723042 is 24032766302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20366722993 and 20366723011.

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, 1373138 + ... + 1387890.

It is an arithmetic number, because the mean of its divisors is an integer number (1927654362).

Almost surely, 2^20366723042 is an apocalyptic number.

20366723042 is a deficient number, since it is larger than the sum of its proper divisors (10475746750).

20366723042 is a wasteful number, since it uses less digits than its factorization.

20366723042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21313.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 20366723042 in words is "twenty billion, three hundred sixty-six million, seven hundred twenty-three thousand, forty-two".