20948714874 has 96 divisors (see below), whose sum is σ = 46791613440. Its totient is φ = 6771492000.

The previous prime is 20948714873. The next prime is 20948714903. The reversal of 20948714874 is 47841784902.

20948714874 is a `hidden beast` number, since 2 + 0 + 94 + 8 + 71 + 487 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20948714874.

It is not an unprimeable number, because it can be changed into a prime (20948714873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19931649 + ... + 19932699.

It is an arithmetic number, because the mean of its divisors is an integer number (487412640).

Almost surely, 2^20948714874 is an apocalyptic number.

20948714874 is an abundant number, since it is smaller than the sum of its proper divisors (25842898566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20948714874 is a wasteful number, since it uses less digits than its factorization.

20948714874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 20948714874 in words is "twenty billion, nine hundred forty-eight million, seven hundred fourteen thousand, eight hundred seventy-four".