1100020653 has 6 divisors (see below), whose sum is σ = 1588918734. Its totient is φ = 733347096.

The previous prime is 1100020627. The next prime is 1100020699. The reversal of 1100020653 is 3560200011.

1100020653 is a `hidden beast` number, since 1 + 10 + 0 + 0 + 2 + 0 + 653 = 666.

1100020653 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1044711684 + 55308969 = 32322^2 + 7437^2 .

It is not a de Polignac number, because 1100020653 - 2⁶ = 1100020589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100020613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61112250 + ... + 61112267.

It is an arithmetic number, because the mean of its divisors is an integer number (264819789).

Almost surely, 2^1100020653 is an apocalyptic number.

It is an amenable number.

1100020653 is a deficient number, since it is larger than the sum of its proper divisors (488898081).

1100020653 is a wasteful number, since it uses less digits than its factorization.

1100020653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122224523 (or 122224520 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1100020653 is about 33166.5592577825. The cubic root of 1100020653 is about 1032.2865759254.

Adding to 1100020653 its reverse (3560200011), we get a palindrome (4660220664).

The spelling of 1100020653 in words is "one billion, one hundred million, twenty thousand, six hundred fifty-three".