20167055244 has 144 divisors (see below), whose sum is σ = 60884208000. Its totient is φ = 5756056992.

The previous prime is 20167055203. The next prime is 20167055261. The reversal of 20167055244 is 44255076102.

It is a happy number.

20167055244 is a `hidden beast` number, since 2 + 0 + 1 + 67 + 0 + 552 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20167055199 and 20167055208.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8989987 + ... + 8992229.

It is an arithmetic number, because the mean of its divisors is an integer number (422807000).

Almost surely, 2^20167055244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20167055244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30442104000).

20167055244 is an abundant number, since it is smaller than the sum of its proper divisors (40717152756).

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

20167055244 is a wasteful number, since it uses less digits than its factorization.

20167055244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3954 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 20167055244 in words is "twenty billion, one hundred sixty-seven million, fifty-five thousand, two hundred forty-four".