20619150336 has 264 divisors, whose sum is σ = 62078140800. Its totient is φ = 6583664640.

The previous prime is 20619150323. The next prime is 20619150359. The reversal of 20619150336 is 63305191602.

20619150336 is a `hidden beast` number, since 2 + 0 + 61 + 91 + 503 + 3 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20619150336.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47840041 + ... + 47840471.

Almost surely, 2^20619150336 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 20619150336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31039070400).

20619150336 is an abundant number, since it is smaller than the sum of its proper divisors (41458990464).

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

20619150336 is a wasteful number, since it uses less digits than its factorization.

20619150336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 20619150336 in words is "twenty billion, six hundred nineteen million, one hundred fifty thousand, three hundred thirty-six".