10220897549531 has 2 divisors, whose sum is σ = 10220897549532. Its totient is φ = 10220897549530.

The previous prime is 10220897549521. The next prime is 10220897549549. The reversal of 10220897549531 is 13594579802201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10220897549531 - 2¹⁸ = 10220897287387 is a prime.

It is a super-2 number, since 2×10220897549531² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10220897549521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110448774765 + 5110448774766.

It is an arithmetic number, because the mean of its divisors is an integer number (5110448774766).

Almost surely, 2^{10220897549531} is an apocalyptic number.

10220897549531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220897549531 is an equidigital number, since it uses as much as digits as its factorization.

10220897549531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 10220897549531 in words is "ten trillion, two hundred twenty billion, eight hundred ninety-seven million, five hundred forty-nine thousand, five hundred thirty-one".