20110120202 has 16 divisors (see below), whose sum is σ = 31026652800. Its totient is φ = 9770326272.

The previous prime is 20110120189. The next prime is 20110120241. The reversal of 20110120202 is 20202101102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589202 + ... + 622397.

It is an arithmetic number, because the mean of its divisors is an integer number (1939165800).

Almost surely, 2^20110120202 is an apocalyptic number.

20110120202 is a deficient number, since it is larger than the sum of its proper divisors (10916532598).

20110120202 is a wasteful number, since it uses less digits than its factorization.

20110120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211837.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20110120202 its reverse (20202101102), we get a palindrome (40312221304).

The spelling of 20110120202 in words is "twenty billion, one hundred ten million, one hundred twenty thousand, two hundred two".