20366112634 has 32 divisors (see below), whose sum is σ = 37687576320. Its totient is φ = 8060946432.

The previous prime is 20366112631. The next prime is 20366112653. The reversal of 20366112634 is 43621166302.

It is a self number, because there is not a number n which added to its sum of digits gives 20366112634.

It is not an unprimeable number, because it can be changed into a prime (20366112631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081159 + ... + 1099834.

It is an arithmetic number, because the mean of its divisors is an integer number (1177736760).

Almost surely, 2^20366112634 is an apocalyptic number.

20366112634 is a deficient number, since it is larger than the sum of its proper divisors (17321463686).

20366112634 is a wasteful number, since it uses less digits than its factorization.

20366112634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181054.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 20366112634 its reverse (43621166302), we get a palindrome (63987278936).

The spelling of 20366112634 in words is "twenty billion, three hundred sixty-six million, one hundred twelve thousand, six hundred thirty-four".