20204212220104 has 32 divisors (see below), whose sum is σ = 41713029496800. Its totient is φ = 9097903544320.

The previous prime is 20204212220063. The next prime is 20204212220113. The reversal of 20204212220104 is 40102221240202.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 1072856569 + ... + 1072875400.

It is an arithmetic number, because the mean of its divisors is an integer number (1303532171775).

Almost surely, 2^{20204212220104} is an apocalyptic number.

It is an amenable number.

20204212220104 is an abundant number, since it is smaller than the sum of its proper divisors (21508817276696).

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

20204212220104 is a wasteful number, since it uses less digits than its factorization.

20204212220104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145732093 (or 2145732089 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20204212220104 its reverse (40102221240202), we get a palindrome (60306433460306).

It can be divided in two parts, 2020 and 4212220104, that added together give a palindrome (4212222124).

The spelling of 20204212220104 in words is "twenty trillion, two hundred four billion, two hundred twelve million, two hundred twenty thousand, one hundred four".