65371020 has 192 divisors, whose sum is σ = 226920960. Its totient is φ = 13824000.

The previous prime is 65371003. The next prime is 65371021. The reversal of 65371020 is 2017356.

It is not an unprimeable number, because it can be changed into a prime (65371021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162820 + ... + 163220.

It is an arithmetic number, because the mean of its divisors is an integer number (1181880).

Almost surely, 2^65371020 is an apocalyptic number.

65371020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65371020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113460480).

65371020 is an abundant number, since it is smaller than the sum of its proper divisors (161549940).

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

65371020 is a wasteful number, since it uses less digits than its factorization.

65371020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 65371020 is about 8085.2346904713. The cubic root of 65371020 is about 402.8361349856.

Adding to 65371020 its reverse (2017356), we get a palindrome (67388376).

It can be divided in two parts, 6537 and 1020, that added together give a palindrome (7557).

The spelling of 65371020 in words is "sixty-five million, three hundred seventy-one thousand, twenty".