20146116732634 has 4 divisors (see below), whose sum is σ = 30219175098954. Its totient is φ = 10073058366316.

The previous prime is 20146116732629. The next prime is 20146116732683. The reversal of 20146116732634 is 43623761164102.

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., 20137880625625 + 8236107009 = 4487525^2 + 90753^2 .

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 as a sum of consecutive naturals, namely, 5036529183157 + ... + 5036529183160.

Almost surely, 2^{20146116732634} is an apocalyptic number.

20146116732634 is a deficient number, since it is larger than the sum of its proper divisors (10073058366320).

20146116732634 is a wasteful number, since it uses less digits than its factorization.

20146116732634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073058366319.

The product of its (nonzero) digits is 870912, while the sum is 46.

Adding to 20146116732634 its reverse (43623761164102), we get a palindrome (63769877896736).

The spelling of 20146116732634 in words is "twenty trillion, one hundred forty-six billion, one hundred sixteen million, seven hundred thirty-two thousand, six hundred thirty-four".