20200023040044 has 24 divisors (see below), whose sum is σ = 47133461027520. Its totient is φ = 6733330451344.

The previous prime is 20200023040039. The next prime is 20200023040081. The reversal of 20200023040044 is 44004032000202.

It is a self number, because there is not a number n which added to its sum of digits gives 20200023040044.

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, 12127987 + ... + 13692629.

It is an arithmetic number, because the mean of its divisors is an integer number (1963894209480).

Almost surely, 2^{20200023040044} is an apocalyptic number.

It is an amenable number.

20200023040044 is an abundant number, since it is smaller than the sum of its proper divisors (26933437987476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200023040044 is a wasteful number, since it uses less digits than its factorization.

20200023040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640509 (or 2640507 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20200023040044 its reverse (44004032000202), we get a palindrome (64204055040246).

The spelling of 20200023040044 in words is "twenty trillion, two hundred billion, twenty-three million, forty thousand, forty-four".