20201200120004 has 72 divisors (see below), whose sum is σ = 38580429732768. Its totient is φ = 9248367744000.

The previous prime is 20201200119979. The next prime is 20201200120033. The reversal of 20201200120004 is 40002100210202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11667152 + ... + 13286264.

It is an arithmetic number, because the mean of its divisors is an integer number (535839301844).

Almost surely, 2^{20201200120004} is an apocalyptic number.

It is an amenable number.

20201200120004 is a deficient number, since it is larger than the sum of its proper divisors (18379229612764).

20201200120004 is a wasteful number, since it uses less digits than its factorization.

20201200120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619445 (or 1619426 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20201200120004 its reverse (40002100210202), we get a palindrome (60203300330206).

The spelling of 20201200120004 in words is "twenty trillion, two hundred one billion, two hundred million, one hundred twenty thousand, four".