20165376 has 216 divisors, whose sum is σ = 69594112. Its totient is φ = 5068800.

The previous prime is 20165351. The next prime is 20165377. The reversal of 20165376 is 67356102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20165377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 650481 + ... + 650511.

Almost surely, 2^20165376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20165376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34797056).

20165376 is an abundant number, since it is smaller than the sum of its proper divisors (49428736).

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

20165376 is a wasteful number, since it uses less digits than its factorization.

20165376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 20165376 is about 4490.5874894049. The cubic root of 20165376 is about 272.1878748155.

The spelling of 20165376 in words is "twenty million, one hundred sixty-five thousand, three hundred seventy-six".