2420701722617 has 16 divisors (see below), whose sum is σ = 2463264669840. Its totient is φ = 2378233267200.

The previous prime is 2420701722613. The next prime is 2420701722641. The reversal of 2420701722617 is 7162271070242.

It can be written as a sum of positive squares in 8 ways, for example, as 603735216016 + 1816966506601 = 777004^2 + 1347949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420701722617 - 2² = 2420701722613 is a prime.

It is a super-2 number, since 2×2420701722617² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420701722613) 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, 284082317 + ... + 284090837.

It is an arithmetic number, because the mean of its divisors is an integer number (153954041865).

Almost surely, 2^{2420701722617} is an apocalyptic number.

It is an amenable number.

2420701722617 is a deficient number, since it is larger than the sum of its proper divisors (42562947223).

2420701722617 is a wasteful number, since it uses less digits than its factorization.

2420701722617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13484.

The product of its (nonzero) digits is 131712, while the sum is 41.

Adding to 2420701722617 its reverse (7162271070242), we get a palindrome (9582972792859).

The spelling of 2420701722617 in words is "two trillion, four hundred twenty billion, seven hundred one million, seven hundred twenty-two thousand, six hundred seventeen".