20324127634 has 4 divisors (see below), whose sum is σ = 30486191454. Its totient is φ = 10162063816.

The previous prime is 20324127569. The next prime is 20324127641. The reversal of 20324127634 is 43672142302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19711317609 + 612810025 = 140397^2 + 24755^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20324127634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5081031907 + ... + 5081031910.

Almost surely, 2^20324127634 is an apocalyptic number.

20324127634 is a deficient number, since it is larger than the sum of its proper divisors (10162063820).

20324127634 is a wasteful number, since it uses less digits than its factorization.

20324127634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10162063819.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 20324127634 its reverse (43672142302), we get a palindrome (63996269936).

The spelling of 20324127634 in words is "twenty billion, three hundred twenty-four million, one hundred twenty-seven thousand, six hundred thirty-four".