20225261886860 has 24 divisors (see below), whose sum is σ = 42524657591136. Its totient is φ = 8080274730240.

The previous prime is 20225261886827. The next prime is 20225261886877. The reversal of 20225261886860 is 6868816252202.

It is a super-2 number, since 2×20225261886860² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20225261886796 and 20225261886805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614359661 + ... + 614392580.

It is an arithmetic number, because the mean of its divisors is an integer number (1771860732964).

Almost surely, 2^{20225261886860} is an apocalyptic number.

20225261886860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20225261886860 is an abundant number, since it is smaller than the sum of its proper divisors (22299395704276).

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

20225261886860 is a wasteful number, since it uses less digits than its factorization.

20225261886860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228753073 (or 1228753071 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 20225261886860 in words is "twenty trillion, two hundred twenty-five billion, two hundred sixty-one million, eight hundred eighty-six thousand, eight hundred sixty".