20210222012 has 12 divisors (see below), whose sum is σ = 35422055256. Its totient is φ = 10089634800.

The previous prime is 20210221991. The next prime is 20210222077. The reversal of 20210222012 is 21022201202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3866114 + ... + 3871337.

It is an arithmetic number, because the mean of its divisors is an integer number (2951837938).

Almost surely, 2^20210222012 is an apocalyptic number.

It is an amenable number.

20210222012 is a deficient number, since it is larger than the sum of its proper divisors (15211833244).

20210222012 is a wasteful number, since it uses less digits than its factorization.

20210222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738108 (or 7738106 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20210222012 its reverse (21022201202), we get a palindrome (41232423214).

The spelling of 20210222012 in words is "twenty billion, two hundred ten million, two hundred twenty-two thousand, twelve".