2420660266 has 8 divisors (see below), whose sum is σ = 3633535620. Its totient is φ = 1209481728.

The previous prime is 2420660239. The next prime is 2420660267. The reversal of 2420660266 is 6620660242.

It can be written as a sum of positive squares in 2 ways, for example, as 2417787241 + 2873025 = 49171^2 + 1695^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2420660266² = 11719192246782381512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2420660267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420631 + ... + 426346.

Almost surely, 2^2420660266 is an apocalyptic number.

2420660266 is a deficient number, since it is larger than the sum of its proper divisors (1212875354).

2420660266 is a wasteful number, since it uses less digits than its factorization.

2420660266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848408.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 2420660266 is about 49200.2059548535. The cubic root of 2420660266 is about 1342.6967792496.

The spelling of 2420660266 in words is "two billion, four hundred twenty million, six hundred sixty thousand, two hundred sixty-six".