20260510541656 has 64 divisors (see below), whose sum is σ = 47398638792960. Its totient is φ = 7887637680000.

The previous prime is 20260510541633. The next prime is 20260510541657. The reversal of 20260510541656 is 65614501506202.

It is a super-2 number, since 2×20260510541656² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20260510541657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11839030 + ... + 13441861.

It is an arithmetic number, because the mean of its divisors is an integer number (740603731140).

Almost surely, 2^{20260510541656} is an apocalyptic number.

It is an amenable number.

20260510541656 is an abundant number, since it is smaller than the sum of its proper divisors (27138128251304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20260510541656 is a wasteful number, since it uses less digits than its factorization.

20260510541656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25282216 (or 25282212 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 20260510541656 in words is "twenty trillion, two hundred sixty billion, five hundred ten million, five hundred forty-one thousand, six hundred fifty-six".