1020022055 has 16 divisors (see below), whose sum is σ = 1375496640. Its totient is φ = 720496128.

The previous prime is 1020022051. The next prime is 1020022097. The reversal of 1020022055 is 5502200201.

It is a cyclic number.

It is not a de Polignac number, because 1020022055 - 2² = 1020022051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020022051) 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, 339650 + ... + 342639.

It is an arithmetic number, because the mean of its divisors is an integer number (85968540).

Almost surely, 2^1020022055 is an apocalyptic number.

1020022055 is a deficient number, since it is larger than the sum of its proper divisors (355474585).

1020022055 is a wasteful number, since it uses less digits than its factorization.

1020022055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682330.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1020022055 is about 31937.7841278947. The cubic root of 1020022055 is about 1006.6299647574.

Adding to 1020022055 its reverse (5502200201), we get a palindrome (6522222256).

The spelling of 1020022055 in words is "one billion, twenty million, twenty-two thousand, fifty-five".