20010212293 has 2 divisors, whose sum is σ = 20010212294. Its totient is φ = 20010212292.

The previous prime is 20010212149. The next prime is 20010212297. The reversal of 20010212293 is 39221201002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10996039044 + 9014173249 = 104862^2 + 94943^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010212293 - 2¹³ = 20010204101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010212297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005106146 + 10005106147.

It is an arithmetic number, because the mean of its divisors is an integer number (10005106147).

Almost surely, 2^20010212293 is an apocalyptic number.

It is an amenable number.

20010212293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010212293 is an equidigital number, since it uses as much as digits as its factorization.

20010212293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20010212293 its reverse (39221201002), we get a palindrome (59231413295).

The spelling of 20010212293 in words is "twenty billion, ten million, two hundred twelve thousand, two hundred ninety-three".