20331121010 has 8 divisors (see below), whose sum is σ = 36596017836. Its totient is φ = 8132448400.

The previous prime is 20331121001. The next prime is 20331121043. The reversal of 20331121010 is 1012113302.

It can be written as a sum of positive squares in 2 ways, for example, as 19154836801 + 1176284209 = 138401^2 + 34297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1016556041 + ... + 1016556060.

Almost surely, 2^20331121010 is an apocalyptic number.

20331121010 is a deficient number, since it is larger than the sum of its proper divisors (16264896826).

20331121010 is a wasteful number, since it uses less digits than its factorization.

20331121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033112108.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20331121010 its reverse (1012113302), we get a palindrome (21343234312).

The spelling of 20331121010 in words is "twenty billion, three hundred thirty-one million, one hundred twenty-one thousand, ten".