20954376827 has 8 divisors (see below), whose sum is σ = 21458910000. Its totient is φ = 20450626560.

The previous prime is 20954376799. The next prime is 20954376829. The reversal of 20954376827 is 72867345902.

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 20954376827 - 2⁶ = 20954376763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20954376829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141374 + ... + 248787.

It is an arithmetic number, because the mean of its divisors is an integer number (2682363750).

Almost surely, 2^20954376827 is an apocalyptic number.

20954376827 is a deficient number, since it is larger than the sum of its proper divisors (504533173).

20954376827 is a wasteful number, since it uses less digits than its factorization.

20954376827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391453.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 20954376827 in words is "twenty billion, nine hundred fifty-four million, three hundred seventy-six thousand, eight hundred twenty-seven".