20773152 has 48 divisors (see below), whose sum is σ = 60590880. Its totient is φ = 6924096.

The previous prime is 20773147. The next prime is 20773153. The reversal of 20773152 is 25137702.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20773153) 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, 11158 + ... + 12885.

It is an arithmetic number, because the mean of its divisors is an integer number (1262310).

Almost surely, 2^20773152 is an apocalyptic number.

It is an amenable number.

20773152 is an abundant number, since it is smaller than the sum of its proper divisors (39817728).

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

20773152 is a wasteful number, since it uses less digits than its factorization.

20773152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24062 (or 24048 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 20773152 is about 4557.7573432556. The cubic root of 20773152 is about 274.8953960287.

The spelling of 20773152 in words is "twenty million, seven hundred seventy-three thousand, one hundred fifty-two".