20120220012293 has 2 divisors, whose sum is σ = 20120220012294. Its totient is φ = 20120220012292.

The previous prime is 20120220012187. The next prime is 20120220012329. The reversal of 20120220012293 is 39221002202102.

Together with next prime (20120220012329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10729568462404 + 9390651549889 = 3275602^2 + 3064417^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120220012293 - 2³⁶ = 20051500535557 is a prime.

It is a super-2 number, since 2×20120220012293² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120220012493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060110006146 + 10060110006147.

It is an arithmetic number, because the mean of its divisors is an integer number (10060110006147).

Almost surely, 2^{20120220012293} is an apocalyptic number.

It is an amenable number.

20120220012293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120220012293 is an equidigital number, since it uses as much as digits as its factorization.

20120220012293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 20120220012293 its reverse (39221002202102), we get a palindrome (59341222214395).

The spelling of 20120220012293 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, twelve thousand, two hundred ninety-three".