20636214612 has 48 divisors (see below), whose sum is σ = 52958422272. Its totient is φ = 6214504320.

The previous prime is 20636214611. The next prime is 20636214631. The reversal of 20636214612 is 21641263602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20636214611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399939 + ... + 1414602.

It is an arithmetic number, because the mean of its divisors is an integer number (1103300464).

Almost surely, 2^20636214612 is an apocalyptic number.

It is an amenable number.

20636214612 is an abundant number, since it is smaller than the sum of its proper divisors (32322207660).

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

20636214612 is a wasteful number, since it uses less digits than its factorization.

20636214612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814608 (or 2814606 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 20636214612 in words is "twenty billion, six hundred thirty-six million, two hundred fourteen thousand, six hundred twelve".