11342142020 has 24 divisors (see below), whose sum is σ = 25983816768. Its totient is φ = 4124415200.

The previous prime is 11342142013. The next prime is 11342142029. The reversal of 11342142020 is 2024124311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11342141983 and 11342142001.

It is not an unprimeable number, because it can be changed into a prime (11342142029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25777376 + ... + 25777815.

It is an arithmetic number, because the mean of its divisors is an integer number (1082659032).

Almost surely, 2^11342142020 is an apocalyptic number.

11342142020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11342142020 is an abundant number, since it is smaller than the sum of its proper divisors (14641674748).

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

11342142020 is a wasteful number, since it uses less digits than its factorization.

11342142020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51555211 (or 51555209 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11342142020 its reverse (2024124311), we get a palindrome (13366266331).

The spelling of 11342142020 in words is "eleven billion, three hundred forty-two million, one hundred forty-two thousand, twenty".