20914535546 has 8 divisors (see below), whose sum is σ = 32039288640. Its totient is φ = 10234772668.

The previous prime is 20914535539. The next prime is 20914535569. The reversal of 20914535546 is 64553541902.

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

It is a junction number, because it is equal to n+sod(n) for n = 20914535497 and 20914535506.

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, 111247436 + ... + 111247623.

It is an arithmetic number, because the mean of its divisors is an integer number (4004911080).

Almost surely, 2^20914535546 is an apocalyptic number.

20914535546 is a deficient number, since it is larger than the sum of its proper divisors (11124753094).

20914535546 is a wasteful number, since it uses less digits than its factorization.

20914535546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222495108.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 20914535546 in words is "twenty billion, nine hundred fourteen million, five hundred thirty-five thousand, five hundred forty-six".