20013548 has 6 divisors (see below), whose sum is σ = 35023716. Its totient is φ = 10006772.

The previous prime is 20013547. The next prime is 20013557. The reversal of 20013548 is 84531002.

It is not an unprimeable number, because it can be changed into a prime (20013547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501690 + ... + 2501697.

It is an arithmetic number, because the mean of its divisors is an integer number (5837286).

Almost surely, 2^20013548 is an apocalyptic number.

It is an amenable number.

20013548 is a deficient number, since it is larger than the sum of its proper divisors (15010168).

20013548 is a wasteful number, since it uses less digits than its factorization.

20013548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003391 (or 5003389 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20013548 is about 4473.6504110178. The cubic root of 20013548 is about 271.5030393748.

The spelling of 20013548 in words is "twenty million, thirteen thousand, five hundred forty-eight".