32420202139991 has 2 divisors, whose sum is σ = 32420202139992. Its totient is φ = 32420202139990.

The previous prime is 32420202139981. The next prime is 32420202140069. The reversal of 32420202139991 is 19993120202423.

It is a weak prime.

It is an emirp because it is prime and its reverse (19993120202423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32420202139991 - 2¹⁴ = 32420202123607 is a prime.

It is a super-2 number, since 2×32420202139991² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32420202139981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210101069995 + 16210101069996.

It is an arithmetic number, because the mean of its divisors is an integer number (16210101069996).

Almost surely, 2^{32420202139991} is an apocalyptic number.

32420202139991 is a deficient number, since it is larger than the sum of its proper divisors (1).

32420202139991 is an equidigital number, since it uses as much as digits as its factorization.

32420202139991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 32420202139991 in words is "thirty-two trillion, four hundred twenty billion, two hundred two million, one hundred thirty-nine thousand, nine hundred ninety-one".