11404120203420 has 192 divisors, whose sum is σ = 37285645565952. Its totient is φ = 2550499200000.

The previous prime is 11404120203419. The next prime is 11404120203433. The reversal of 11404120203420 is 2430202140411.

It is a super-2 number, since 2×11404120203420² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 3728170 + ... + 6058670.

It is an arithmetic number, because the mean of its divisors is an integer number (194196070656).

Almost surely, 2^{11404120203420} is an apocalyptic number.

11404120203420 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 11404120203420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18642822782976).

11404120203420 is an abundant number, since it is smaller than the sum of its proper divisors (25881525362532).

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

11404120203420 is a wasteful number, since it uses less digits than its factorization.

11404120203420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330772 (or 2330770 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11404120203420 its reverse (2430202140411), we get a palindrome (13834322343831).

The spelling of 11404120203420 in words is "eleven trillion, four hundred four billion, one hundred twenty million, two hundred three thousand, four hundred twenty".