20212120002 has 8 divisors (see below), whose sum is σ = 40424240016. Its totient is φ = 6737373332.

The previous prime is 20212119887. The next prime is 20212120031. The reversal of 20212120002 is 20002121202.

It is a sphenic number, since it is the product of 3 distinct primes.

20212120002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20212120002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684343328 + ... + 1684343339.

It is an arithmetic number, because the mean of its divisors is an integer number (5053030002).

Almost surely, 2^20212120002 is an apocalyptic number.

20212120002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20212120002 is a wasteful number, since it uses less digits than its factorization.

20212120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368686672.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20212120002 its reverse (20002121202), we get a palindrome (40214241204).

The spelling of 20212120002 in words is "twenty billion, two hundred twelve million, one hundred twenty thousand, two".