2055620117 has 8 divisors (see below), whose sum is σ = 2110290336. Its totient is φ = 2001262032.

The previous prime is 2055620113. The next prime is 2055620123. The reversal of 2055620117 is 7110265502.

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

It is a cyclic number.

It is not a de Polignac number, because 2055620117 - 2² = 2055620113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2055620117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055620113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64658 + ... + 91059.

It is an arithmetic number, because the mean of its divisors is an integer number (263786292).

Almost surely, 2^2055620117 is an apocalyptic number.

It is an amenable number.

2055620117 is a deficient number, since it is larger than the sum of its proper divisors (54670219).

2055620117 is a wasteful number, since it uses less digits than its factorization.

2055620117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156067.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 2055620117 is about 45338.9470212973. The cubic root of 2055620117 is about 1271.4939158383.

Adding to 2055620117 its reverse (7110265502), we get a palindrome (9165885619).

The spelling of 2055620117 in words is "two billion, fifty-five million, six hundred twenty thousand, one hundred seventeen".