20623101134 has 16 divisors (see below), whose sum is σ = 31319123472. Its totient is φ = 10183486848.

The previous prime is 20623101113. The next prime is 20623101173. The reversal of 20623101134 is 43110132602.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 448352 + ... + 492204.

It is an arithmetic number, because the mean of its divisors is an integer number (1957445217).

Almost surely, 2^20623101134 is an apocalyptic number.

20623101134 is a deficient number, since it is larger than the sum of its proper divisors (10696022338).

20623101134 is a wasteful number, since it uses less digits than its factorization.

20623101134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46771.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20623101134 its reverse (43110132602), we get a palindrome (63733233736).

The spelling of 20623101134 in words is "twenty billion, six hundred twenty-three million, one hundred one thousand, one hundred thirty-four".