20361424356 has 192 divisors, whose sum is σ = 65317109760. Its totient is φ = 5341438080.

The previous prime is 20361424289. The next prime is 20361424367. The reversal of 20361424356 is 65342416302.

20361424356 is a `hidden beast` number, since 2 + 0 + 3 + 614 + 2 + 4 + 35 + 6 = 666.

It is a super-2 number, since 2×20361424356² (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 self number, because there is not a number n which added to its sum of digits gives 20361424356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1871725 + ... + 1882571.

It is an arithmetic number, because the mean of its divisors is an integer number (340193280).

Almost surely, 2^20361424356 is an apocalyptic number.

20361424356 is a gapful number since it is divisible by the number (26) 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 20361424356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32658554880).

20361424356 is an abundant number, since it is smaller than the sum of its proper divisors (44955685404).

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

20361424356 is a wasteful number, since it uses less digits than its factorization.

20361424356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071 (or 11063 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 20361424356 in words is "twenty billion, three hundred sixty-one million, four hundred twenty-four thousand, three hundred fifty-six".