20352264544531 has 2 divisors, whose sum is σ = 20352264544532. Its totient is φ = 20352264544530.

The previous prime is 20352264544523. The next prime is 20352264544589. The reversal of 20352264544531 is 13544546225302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20352264544531 - 2³ = 20352264544523 is a prime.

It is a super-2 number, since 2×20352264544531² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20352234544531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176132272265 + 10176132272266.

It is an arithmetic number, because the mean of its divisors is an integer number (10176132272266).

Almost surely, 2^{20352264544531} is an apocalyptic number.

20352264544531 is a deficient number, since it is larger than the sum of its proper divisors (1).

20352264544531 is an equidigital number, since it uses as much as digits as its factorization.

20352264544531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456000, while the sum is 46.

The spelling of 20352264544531 in words is "twenty trillion, three hundred fifty-two billion, two hundred sixty-four million, five hundred forty-four thousand, five hundred thirty-one".