11384773020 has 384 divisors, whose sum is σ = 39118464000. Its totient is φ = 2737566720.

The previous prime is 11384773019. The next prime is 11384773051. The reversal of 11384773020 is 2037748311.

11384773020 is a `hidden beast` number, since 1 + 138 + 477 + 30 + 20 = 666.

It is a super-2 number, since 2×11384773020² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24695590 + ... + 24696050.

It is an arithmetic number, because the mean of its divisors is an integer number (101871000).

Almost surely, 2^11384773020 is an apocalyptic number.

11384773020 is a gapful number since it is divisible by the number (10) 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 11384773020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19559232000).

11384773020 is an abundant number, since it is smaller than the sum of its proper divisors (27733690980).

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

11384773020 is a wasteful number, since it uses less digits than its factorization.

11384773020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 11384773020 in words is "eleven billion, three hundred eighty-four million, seven hundred seventy-three thousand, twenty".