20212550252 has 12 divisors (see below), whose sum is σ = 35377835640. Its totient is φ = 10104597216.

The previous prime is 20212550251. The next prime is 20212550257. The reversal of 20212550252 is 25205521202.

It is not an unprimeable number, because it can be changed into a prime (20212550251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392177 + ... + 440712.

It is an arithmetic number, because the mean of its divisors is an integer number (2948152970).

Almost surely, 2^20212550252 is an apocalyptic number.

It is an amenable number.

20212550252 is a deficient number, since it is larger than the sum of its proper divisors (15165285388).

20212550252 is a wasteful number, since it uses less digits than its factorization.

20212550252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838960 (or 838958 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 20212550252 in words is "twenty billion, two hundred twelve million, five hundred fifty thousand, two hundred fifty-two".