20112112202 has 64 divisors (see below), whose sum is σ = 38248374528. Its totient is φ = 7718976000.

The previous prime is 20112112201. The next prime is 20112112253. The reversal of 20112112202 is 20221121102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20112112201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1343177 + ... + 1358067.

It is an arithmetic number, because the mean of its divisors is an integer number (597630852).

Almost surely, 2^20112112202 is an apocalyptic number.

20112112202 is a deficient number, since it is larger than the sum of its proper divisors (18136262326).

20112112202 is a wasteful number, since it uses less digits than its factorization.

20112112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15135.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20112112202 its reverse (20221121102), we get a palindrome (40333233304).

The spelling of 20112112202 in words is "twenty billion, one hundred twelve million, one hundred twelve thousand, two hundred two".