20914633735 has 4 divisors (see below), whose sum is σ = 25097560488. Its totient is φ = 16731706984.

The previous prime is 20914633679. The next prime is 20914633759. The reversal of 20914633735 is 53733641902.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53733641902 = 2 ⋅26866820951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20914633735 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20914633691 and 20914633700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091463369 + ... + 2091463378.

It is an arithmetic number, because the mean of its divisors is an integer number (6274390122).

Almost surely, 2^20914633735 is an apocalyptic number.

20914633735 is a deficient number, since it is larger than the sum of its proper divisors (4182926753).

20914633735 is an equidigital number, since it uses as much as digits as its factorization.

20914633735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182926752.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 20914633735 in words is "twenty billion, nine hundred fourteen million, six hundred thirty-three thousand, seven hundred thirty-five".