65498020 has 48 divisors (see below), whose sum is σ = 164037888. Its totient is φ = 21479040.

The previous prime is 65498011. The next prime is 65498023. The reversal of 65498020 is 2089456.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65498023) 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, 6951 + ... + 13390.

It is an arithmetic number, because the mean of its divisors is an integer number (3417456).

Almost surely, 2^65498020 is an apocalyptic number.

It is an amenable number.

65498020 is an abundant number, since it is smaller than the sum of its proper divisors (98539868).

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

65498020 is a wasteful number, since it uses less digits than its factorization.

65498020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380 (or 20378 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 65498020 is about 8093.0847023864. The cubic root of 65498020 is about 403.0968371248.

The spelling of 65498020 in words is "sixty-five million, four hundred ninety-eight thousand, twenty".