130020021244 has 24 divisors (see below), whose sum is σ = 235288298448. Its totient is φ = 62831408640.

The previous prime is 130020021239. The next prime is 130020021251. The reversal of 130020021244 is 442120020031.

It is a super-2 number, since 2×130020021244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4562677 + ... + 4591084.

It is an arithmetic number, because the mean of its divisors is an integer number (9803679102).

Almost surely, 2^130020021244 is an apocalyptic number.

It is an amenable number.

130020021244 is a deficient number, since it is larger than the sum of its proper divisors (105268277204).

130020021244 is a wasteful number, since it uses less digits than its factorization.

130020021244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153885 (or 9153883 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 130020021244 its reverse (442120020031), we get a palindrome (572140041275).

The spelling of 130020021244 in words is "one hundred thirty billion, twenty million, twenty-one thousand, two hundred forty-four".