20860485054 has 16 divisors (see below), whose sum is σ = 43916810880. Its totient is φ = 6587521560.

The previous prime is 20860485047. The next prime is 20860485071. The reversal of 20860485054 is 45058406802.

It is a junction number, because it is equal to n+sod(n) for n = 20860484997 and 20860485015.

It is a congruent number.

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, 91493242 + ... + 91493469.

It is an arithmetic number, because the mean of its divisors is an integer number (2744800680).

Almost surely, 2^20860485054 is an apocalyptic number.

20860485054 is an abundant number, since it is smaller than the sum of its proper divisors (23056325826).

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

20860485054 is a wasteful number, since it uses less digits than its factorization.

20860485054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182986735.

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 20860485054 in words is "twenty billion, eight hundred sixty million, four hundred eighty-five thousand, fifty-four".