20004304401772 has 24 divisors (see below), whose sum is σ = 35432694775296. Its totient is φ = 9880700347728.

The previous prime is 20004304401743. The next prime is 20004304401841. The reversal of 20004304401772 is 27710440340002.

It is a super-2 number, since 2×20004304401772² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608893 + ... + 6354475.

It is an arithmetic number, because the mean of its divisors is an integer number (1476362282304).

Almost surely, 2^{20004304401772} is an apocalyptic number.

It is an amenable number.

20004304401772 is a deficient number, since it is larger than the sum of its proper divisors (15428390373524).

20004304401772 is a wasteful number, since it uses less digits than its factorization.

20004304401772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756157 (or 5756155 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

Adding to 20004304401772 its reverse (27710440340002), we get a palindrome (47714744741774).

The spelling of 20004304401772 in words is "twenty trillion, four billion, three hundred four million, four hundred one thousand, seven hundred seventy-two".