20012112202 has 16 divisors (see below), whose sum is σ = 30322317600. Its totient is φ = 9904818928.

The previous prime is 20012112191. The next prime is 20012112209. The reversal of 20012112202 is 20221121002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20012112209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243924 + ... + 315472.

It is an arithmetic number, because the mean of its divisors is an integer number (1895144850).

Almost surely, 2^20012112202 is an apocalyptic number.

20012112202 is a deficient number, since it is larger than the sum of its proper divisors (10310205398).

20012112202 is a wasteful number, since it uses less digits than its factorization.

20012112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72965.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20012112202 its reverse (20221121002), we get a palindrome (40233233204).

The spelling of 20012112202 in words is "twenty billion, twelve million, one hundred twelve thousand, two hundred two".