2620002064 has 10 divisors (see below), whose sum is σ = 5076254030. Its totient is φ = 1310001024.

The previous prime is 2620002061. The next prime is 2620002089. The reversal of 2620002064 is 4602000262.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2549442064 + 70560000 = 50492^2 + 8400^2 .

It is not an unprimeable number, because it can be changed into a prime (2620002061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81875049 + ... + 81875080.

It is an arithmetic number, because the mean of its divisors is an integer number (507625403).

Almost surely, 2^2620002064 is an apocalyptic number.

It is an amenable number.

2620002064 is a deficient number, since it is larger than the sum of its proper divisors (2456251966).

2620002064 is a wasteful number, since it uses less digits than its factorization.

2620002064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163750137 (or 163750131 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2620002064 is about 51185.9557300633. The cubic root of 2620002064 is about 1378.5860445721.

The spelling of 2620002064 in words is "two billion, six hundred twenty million, two thousand, sixty-four".