2420005705 has 16 divisors (see below), whose sum is σ = 3186403920. Its totient is φ = 1753360128.

The previous prime is 2420005663. The next prime is 2420005741. The reversal of 2420005705 is 5075000242.

It can be written as a sum of positive squares in 8 ways, for example, as 118309129 + 2301696576 = 10877^2 + 47976^2 .

It is not a de Polignac number, because 2420005705 - 2¹¹ = 2420003657 is a prime.

It is a super-2 number, since 2×2420005705² = 11712855224465094050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2420005705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347790 + ... + 354679.

It is an arithmetic number, because the mean of its divisors is an integer number (199150245).

Almost surely, 2^2420005705 is an apocalyptic number.

It is an amenable number.

2420005705 is a deficient number, since it is larger than the sum of its proper divisors (766398215).

2420005705 is a wasteful number, since it uses less digits than its factorization.

2420005705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702540.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2420005705 is about 49193.5534902694. The cubic root of 2420005705 is about 1342.5757439287.

Adding to 2420005705 its reverse (5075000242), we get a palindrome (7495005947).

The spelling of 2420005705 in words is "two billion, four hundred twenty million, five thousand, seven hundred five".