11402103020 has 144 divisors (see below), whose sum is σ = 30583943712. Its totient is φ = 3530741760.

The previous prime is 11402103019. The next prime is 11402103023. The reversal of 11402103020 is 2030120411.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11402102986 and 11402103004.

It is not an unprimeable number, because it can be changed into a prime (11402103023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1689092 + ... + 1695828.

It is an arithmetic number, because the mean of its divisors is an integer number (212388498).

Almost surely, 2^11402103020 is an apocalyptic number.

11402103020 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 11402103020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15291971856).

11402103020 is an abundant number, since it is smaller than the sum of its proper divisors (19181840692).

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

11402103020 is a wasteful number, since it uses less digits than its factorization.

11402103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928 (or 6919 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11402103020 its reverse (2030120411), we get a palindrome (13432223431).

The spelling of 11402103020 in words is "eleven billion, four hundred two million, one hundred three thousand, twenty".