20112120302 has 4 divisors (see below), whose sum is σ = 30168180456. Its totient is φ = 10056060150.

The previous prime is 20112120247. The next prime is 20112120311. The reversal of 20112120302 is 20302121102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028030074 + ... + 5028030077.

It is an arithmetic number, because the mean of its divisors is an integer number (7542045114).

Almost surely, 2^20112120302 is an apocalyptic number.

20112120302 is a deficient number, since it is larger than the sum of its proper divisors (10056060154).

20112120302 is a wasteful number, since it uses less digits than its factorization.

20112120302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056060153.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20112120302 its reverse (20302121102), we get a palindrome (40414241404).

The spelling of 20112120302 in words is "twenty billion, one hundred twelve million, one hundred twenty thousand, three hundred two".