20134651633 has 8 divisors (see below), whose sum is σ = 21227447520. Its totient is φ = 19045163520.

The previous prime is 20134651631. The next prime is 20134651643. The reversal of 20134651633 is 33615643102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20134651633 - 2¹ = 20134651631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20134651631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814435 + ... + 838792.

It is an arithmetic number, because the mean of its divisors is an integer number (2653430940).

Almost surely, 2^20134651633 is an apocalyptic number.

It is an amenable number.

20134651633 is a deficient number, since it is larger than the sum of its proper divisors (1092795887).

20134651633 is a wasteful number, since it uses less digits than its factorization.

20134651633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653887.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 20134651633 in words is "twenty billion, one hundred thirty-four million, six hundred fifty-one thousand, six hundred thirty-three".