20424520552264 has 8 divisors (see below), whose sum is σ = 38295976035510. Its totient is φ = 10212260276128.

The previous prime is 20424520552217. The next prime is 20424520552343. The reversal of 20424520552264 is 46225502542402.

It can be written as a sum of positive squares in only one way, i.e., 19878739439364 + 545781112900 = 4458558^2 + 738770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20424520552264² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20424520552264.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276532534509 + ... + 1276532534524.

Almost surely, 2^{20424520552264} is an apocalyptic number.

It is an amenable number.

20424520552264 is a deficient number, since it is larger than the sum of its proper divisors (17871455483246).

20424520552264 is a wasteful number, since it uses less digits than its factorization.

20424520552264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553065069039 (or 2553065069035 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 20424520552264 in words is "twenty trillion, four hundred twenty-four billion, five hundred twenty million, five hundred fifty-two thousand, two hundred sixty-four".