1001020564052 has 24 divisors (see below), whose sum is σ = 1771671242880. Its totient is φ = 494830064960.

The previous prime is 1001020564051. The next prime is 1001020564067. The reversal of 1001020564052 is 2504650201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001020564051) 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, 3051893 + ... + 3363939.

It is an arithmetic number, because the mean of its divisors is an integer number (73819635120).

Almost surely, 2^{1001020564052} is an apocalyptic number.

It is an amenable number.

1001020564052 is a deficient number, since it is larger than the sum of its proper divisors (770650678828).

1001020564052 is a wasteful number, since it uses less digits than its factorization.

1001020564052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321151 (or 321149 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1001020564052 its reverse (2504650201001), we get a palindrome (3505670765053).

The spelling of 1001020564052 in words is "one trillion, one billion, twenty million, five hundred sixty-four thousand, fifty-two".