20230905363840 has 192 divisors, whose sum is σ = 70025791352400. Its totient is φ = 5382092943360.

The previous prime is 20230905363833. The next prime is 20230905363901. The reversal of 20230905363840 is 4836350903202.

20230905363840 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 0 + 9 + 0 + 5 + 3 + 638 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 1746430 + ... + 6596349.

Almost surely, 2^{20230905363840} is an apocalyptic number.

20230905363840 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 20230905363840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35012895676200).

20230905363840 is an abundant number, since it is smaller than the sum of its proper divisors (49794885988560).

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

20230905363840 is a wasteful number, since it uses less digits than its factorization.

20230905363840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343225 (or 8343210 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 20230905363840 in words is "twenty trillion, two hundred thirty billion, nine hundred five million, three hundred sixty-three thousand, eight hundred forty".