20004101212 has 24 divisors (see below), whose sum is σ = 37111347504. Its totient is φ = 9402285312.

The previous prime is 20004101207. The next prime is 20004101233. The reversal of 20004101212 is 21210140002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20004101192 and 20004101201.

It is a congruent number.

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, 121623 + ... + 234094.

It is an arithmetic number, because the mean of its divisors is an integer number (1546306146).

Almost surely, 2^20004101212 is an apocalyptic number.

It is an amenable number.

20004101212 is a deficient number, since it is larger than the sum of its proper divisors (17107246292).

20004101212 is a wasteful number, since it uses less digits than its factorization.

20004101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356565 (or 356563 counting only the distinct ones).

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

Adding to 20004101212 its reverse (21210140002), we get a palindrome (41214241214).

The spelling of 20004101212 in words is "twenty billion, four million, one hundred one thousand, two hundred twelve".