20465116 has 24 divisors (see below), whose sum is σ = 41803776. Its totient is φ = 8583600.

The previous prime is 20465113. The next prime is 20465117. The reversal of 20465116 is 61156402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20465113) 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, 6460 + ... + 9091.

It is an arithmetic number, because the mean of its divisors is an integer number (1741824).

Almost surely, 2^20465116 is an apocalyptic number.

It is an amenable number.

20465116 is an abundant number, since it is smaller than the sum of its proper divisors (21338660).

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

20465116 is a wasteful number, since it uses less digits than its factorization.

20465116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15609 (or 15607 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 20465116 is about 4523.8386354953. The cubic root of 20465116 is about 273.5298560252.

The spelling of 20465116 in words is "twenty million, four hundred sixty-five thousand, one hundred sixteen".