20202213420212 has 12 divisors (see below), whose sum is σ = 35881543239360. Its totient is φ = 9950343923256.

The previous prime is 20202213420209. The next prime is 20202213420251. The reversal of 20202213420212 is 21202431220202.

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, 37690696412 + ... + 37690696947.

It is an arithmetic number, because the mean of its divisors is an integer number (2990128603280).

Almost surely, 2^{20202213420212} is an apocalyptic number.

It is an amenable number.

20202213420212 is a deficient number, since it is larger than the sum of its proper divisors (15679329819148).

20202213420212 is a wasteful number, since it uses less digits than its factorization.

20202213420212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75381393430 (or 75381393428 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20202213420212 its reverse (21202431220202), we get a palindrome (41404644640414).

The spelling of 20202213420212 in words is "twenty trillion, two hundred two billion, two hundred thirteen million, four hundred twenty thousand, two hundred twelve".