20102352212 has 12 divisors (see below), whose sum is σ = 35180109216. Its totient is φ = 10050892440.

The previous prime is 20102352197. The next prime is 20102352223. The reversal of 20102352212 is 21225320102.

It is a congruent number.

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, 239633 + ... + 312455.

It is an arithmetic number, because the mean of its divisors is an integer number (2931675768).

Almost surely, 2^20102352212 is an apocalyptic number.

It is an amenable number.

20102352212 is a deficient number, since it is larger than the sum of its proper divisors (15077757004).

20102352212 is a wasteful number, since it uses less digits than its factorization.

20102352212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141838 (or 141836 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20102352212 its reverse (21225320102), we get a palindrome (41327672314).

The spelling of 20102352212 in words is "twenty billion, one hundred two million, three hundred fifty-two thousand, two hundred twelve".