20130202231037 has 2 divisors, whose sum is σ = 20130202231038. Its totient is φ = 20130202231036.

The previous prime is 20130202230991. The next prime is 20130202231079. The reversal of 20130202231037 is 73013220203102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17537551581796 + 2592650649241 = 4187786^2 + 1610171^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130202231037 - 2²² = 20130198036733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20130202230997 and 20130202231015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130201231037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065101115518 + 10065101115519.

It is an arithmetic number, because the mean of its divisors is an integer number (10065101115519).

Almost surely, 2^{20130202231037} is an apocalyptic number.

It is an amenable number.

20130202231037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130202231037 is an equidigital number, since it uses as much as digits as its factorization.

20130202231037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20130202231037 its reverse (73013220203102), we get a palindrome (93143422434139).

The spelling of 20130202231037 in words is "twenty trillion, one hundred thirty billion, two hundred two million, two hundred thirty-one thousand, thirty-seven".