65020270 has 32 divisors (see below), whose sum is σ = 136608768. Its totient is φ = 21817248.

The previous prime is 65020247. The next prime is 65020271. The reversal of 65020270 is 7202056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65020271) 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, 6592 + ... + 13171.

It is an arithmetic number, because the mean of its divisors is an integer number (4269024).

Almost surely, 2^65020270 is an apocalyptic number.

65020270 is an abundant number, since it is smaller than the sum of its proper divisors (71588498).

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

65020270 is a wasteful number, since it uses less digits than its factorization.

65020270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19824.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 65020270 is about 8063.5147423441. The cubic root of 65020270 is about 402.1143664439.

The spelling of 65020270 in words is "sixty-five million, twenty thousand, two hundred seventy".