20005225670061 has 24 divisors (see below), whose sum is σ = 29512818915840. Its totient is φ = 13052363266656.

The previous prime is 20005225670021. The next prime is 20005225670071. The reversal of 20005225670061 is 16007652250002.

20005225670061 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 522 + 5 + 6 + 70 + 0 + 61 = 666.

It is not a de Polignac number, because 20005225670061 - 2⁹ = 20005225669549 is a prime.

It is a super-2 number, since 2×20005225670061² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20005225669998 and 20005225670025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005225670021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6798780 + ... + 9286218.

It is an arithmetic number, because the mean of its divisors is an integer number (1229700788160).

Almost surely, 2^{20005225670061} is an apocalyptic number.

It is an amenable number.

20005225670061 is a deficient number, since it is larger than the sum of its proper divisors (9507593245779).

20005225670061 is a wasteful number, since it uses less digits than its factorization.

20005225670061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506505 (or 2506502 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 20005225670061 in words is "twenty trillion, five billion, two hundred twenty-five million, six hundred seventy thousand, sixty-one".