20331012033097 has 4 divisors (see below), whose sum is σ = 20366247756436. Its totient is φ = 20295776309760.

The previous prime is 20331012033067. The next prime is 20331012033107. The reversal of 20331012033097 is 79033021013302.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20235701524921 + 95310508176 = 4498411^2 + 308724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20331012033097 is a prime.

It is a super-2 number, since 2×20331012033097² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331012033067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17617860804 + ... + 17617861957.

It is an arithmetic number, because the mean of its divisors is an integer number (5091561939109).

Almost surely, 2^{20331012033097} is an apocalyptic number.

It is an amenable number.

20331012033097 is a deficient number, since it is larger than the sum of its proper divisors (35235723339).

20331012033097 is an equidigital number, since it uses as much as digits as its factorization.

20331012033097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35235723338.

The product of its (nonzero) digits is 20412, while the sum is 34.

Adding to 20331012033097 its reverse (79033021013302), we get a palindrome (99364033046399).

The spelling of 20331012033097 in words is "twenty trillion, three hundred thirty-one billion, twelve million, thirty-three thousand, ninety-seven".