20360604420 has 192 divisors, whose sum is σ = 68823095040. Its totient is φ = 4967294976.

The previous prime is 20360604379. The next prime is 20360604431. The reversal of 20360604420 is 2440606302.

20360604420 is a `hidden beast` number, since 2 + 0 + 36 + 0 + 604 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 780427 + ... + 806093.

It is an arithmetic number, because the mean of its divisors is an integer number (358453620).

Almost surely, 2^20360604420 is an apocalyptic number.

20360604420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20360604420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34411547520).

20360604420 is an abundant number, since it is smaller than the sum of its proper divisors (48462490620).

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

20360604420 is a wasteful number, since it uses less digits than its factorization.

20360604420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25811 (or 25803 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The spelling of 20360604420 in words is "twenty billion, three hundred sixty million, six hundred four thousand, four hundred twenty".