11314020420 has 36 divisors (see below), whose sum is σ = 34319195820. Its totient is φ = 3017072064.

The previous prime is 11314020409. The next prime is 11314020437. The reversal of 11314020420 is 2402041311.

It can be written as a sum of positive squares in 2 ways, for example, as 8466944256 + 2847076164 = 92016^2 + 53358^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11314020393 and 11314020402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31427655 + ... + 31428014.

It is an arithmetic number, because the mean of its divisors is an integer number (953310995).

Almost surely, 2^11314020420 is an apocalyptic number.

11314020420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11314020420 is an abundant number, since it is smaller than the sum of its proper divisors (23005175400).

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

11314020420 is a wasteful number, since it uses less digits than its factorization.

11314020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62855684 (or 62855679 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11314020420 its reverse (2402041311), we get a palindrome (13716061731).

The spelling of 11314020420 in words is "eleven billion, three hundred fourteen million, twenty thousand, four hundred twenty".