20712048 has 40 divisors (see below), whose sum is σ = 61150848. Its totient is φ = 5917632.

The previous prime is 20712037. The next prime is 20712053. The reversal of 20712048 is 84021702.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30486 + ... + 31157.

Almost surely, 2^20712048 is an apocalyptic number.

20712048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20712048 is an abundant number, since it is smaller than the sum of its proper divisors (40438800).

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

20712048 is a wasteful number, since it uses less digits than its factorization.

20712048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61661 (or 61655 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 20712048 is about 4551.0491098207. The cubic root of 20712048 is about 274.6255973827.

The spelling of 20712048 in words is "twenty million, seven hundred twelve thousand, forty-eight".