20767332 has 48 divisors (see below), whose sum is σ = 49761152. Its totient is φ = 6739200.

The previous prime is 20767301. The next prime is 20767333. The reversal of 20767332 is 23376702.

It is a self number, because there is not a number n which added to its sum of digits gives 20767332.

It is not an unprimeable number, because it can be changed into a prime (20767333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132198 + ... + 132354.

Almost surely, 2^20767332 is an apocalyptic number.

It is an amenable number.

20767332 is an abundant number, since it is smaller than the sum of its proper divisors (28993820).

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

20767332 is a wasteful number, since it uses less digits than its factorization.

20767332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 20767332 is about 4557.1188266272. The cubic root of 20767332 is about 274.8697212114.

The spelling of 20767332 in words is "twenty million, seven hundred sixty-seven thousand, three hundred thirty-two".