20514386948 has 54 divisors (see below), whose sum is σ = 41808210318. Its totient is φ = 8770650240.

The previous prime is 20514386929. The next prime is 20514386951. The reversal of 20514386948 is 84968341502.

It can be written as a sum of positive squares in only one way, i.e., 19307658304 + 1206728644 = 138952^2 + 34738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20514386896 and 20514386905.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12991223 + ... + 12992801.

It is an arithmetic number, because the mean of its divisors is an integer number (774226117).

Almost surely, 2^20514386948 is an apocalyptic number.

It is an amenable number.

20514386948 is an abundant number, since it is smaller than the sum of its proper divisors (21293823370).

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

20514386948 is a wasteful number, since it uses less digits than its factorization.

20514386948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 20514386948 in words is "twenty billion, five hundred fourteen million, three hundred eighty-six thousand, nine hundred forty-eight".