20012211020104 has 64 divisors (see below), whose sum is σ = 40339701964800. Its totient is φ = 9277423677504.

The previous prime is 20012211020093. The next prime is 20012211020119. The reversal of 20012211020104 is 40102011221002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329643817 + ... + 329704519.

It is an arithmetic number, because the mean of its divisors is an integer number (630307843200).

Almost surely, 2^{20012211020104} is an apocalyptic number.

It is an amenable number.

20012211020104 is an abundant number, since it is smaller than the sum of its proper divisors (20327490944696).

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

20012211020104 is a wasteful number, since it uses less digits than its factorization.

20012211020104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106922 (or 106918 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012211020104 its reverse (40102011221002), we get a palindrome (60114222241106).

The spelling of 20012211020104 in words is "twenty trillion, twelve billion, two hundred eleven million, twenty thousand, one hundred four".