20002001211004 has 12 divisors (see below), whose sum is σ = 35149960288800. Its totient is φ = 9959155414208.

The previous prime is 20002001211001. The next prime is 20002001211011. The reversal of 20002001211004 is 40011210020002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002001211001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10461296749 + ... + 10461298660.

It is an arithmetic number, because the mean of its divisors is an integer number (2929163357400).

Almost surely, 2^{20002001211004} is an apocalyptic number.

It is an amenable number.

20002001211004 is a deficient number, since it is larger than the sum of its proper divisors (15147959077796).

20002001211004 is a wasteful number, since it uses less digits than its factorization.

20002001211004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20922595652 (or 20922595650 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20002001211004 its reverse (40011210020002), we get a palindrome (60013211231006).

The spelling of 20002001211004 in words is "twenty trillion, two billion, one million, two hundred eleven thousand, four".