2620020555122 has 4 divisors (see below), whose sum is σ = 3930030832686. Its totient is φ = 1310010277560.

The previous prime is 2620020555121. The next prime is 2620020555137. The reversal of 2620020555122 is 2215550200262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2612519436241 + 7501118881 = 1616329^2 + 86609^2 .

It is not an unprimeable number, because it can be changed into a prime (2620020555121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655005138779 + ... + 655005138782.

Almost surely, 2^{2620020555122} is an apocalyptic number.

2620020555122 is a deficient number, since it is larger than the sum of its proper divisors (1310010277564).

2620020555122 is a wasteful number, since it uses less digits than its factorization.

2620020555122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310010277563.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 2620020555122 its reverse (2215550200262), we get a palindrome (4835570755384).

The spelling of 2620020555122 in words is "two trillion, six hundred twenty billion, twenty million, five hundred fifty-five thousand, one hundred twenty-two".