20101120292 has 12 divisors (see below), whose sum is σ = 38374866096. Its totient is φ = 9136872840.

The previous prime is 20101120289. The next prime is 20101120301. The reversal of 20101120292 is 29202110102.

It is a happy 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, 228421778 + ... + 228421865.

It is an arithmetic number, because the mean of its divisors is an integer number (3197905508).

Almost surely, 2^20101120292 is an apocalyptic number.

20101120292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20101120292 is a deficient number, since it is larger than the sum of its proper divisors (18273745804).

20101120292 is a wasteful number, since it uses less digits than its factorization.

20101120292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456843658 (or 456843656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 20101120292 its reverse (29202110102), we get a palindrome (49303230394).

The spelling of 20101120292 in words is "twenty billion, one hundred one million, one hundred twenty thousand, two hundred ninety-two".