20200031122 has 4 divisors (see below), whose sum is σ = 30300046686. Its totient is φ = 10100015560.

The previous prime is 20200031107. The next prime is 20200031123. The reversal of 20200031122 is 22113000202.

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

It can be written as a sum of positive squares in only one way, i.e., 19765266921 + 434764201 = 140589^2 + 20851^2 .

It is not an unprimeable number, because it can be changed into a prime (20200031123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050007779 + ... + 5050007782.

Almost surely, 2^20200031122 is an apocalyptic number.

20200031122 is a deficient number, since it is larger than the sum of its proper divisors (10100015564).

20200031122 is a wasteful number, since it uses less digits than its factorization.

20200031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100015563.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20200031122 its reverse (22113000202), we get a palindrome (42313031324).

The spelling of 20200031122 in words is "twenty billion, two hundred million, thirty-one thousand, one hundred twenty-two".