2342020021 has 16 divisors (see below), whose sum is σ = 2611709568. Its totient is φ = 2082059200.

The previous prime is 2342020001. The next prime is 2342020097. The reversal of 2342020021 is 1200202432.

2342020021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2342020021 - 2⁵ = 2342019989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2342019977 and 2342020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2342020001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174855 + ... + 187771.

It is an arithmetic number, because the mean of its divisors is an integer number (163231848).

Almost surely, 2^2342020021 is an apocalyptic number.

It is an amenable number.

2342020021 is a deficient number, since it is larger than the sum of its proper divisors (269689547).

2342020021 is a wasteful number, since it uses less digits than its factorization.

2342020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13292.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2342020021 is about 48394.4213830479. The cubic root of 2342020021 is about 1327.9963084540.

Adding to 2342020021 its reverse (1200202432), we get a palindrome (3542222453).

The spelling of 2342020021 in words is "two billion, three hundred forty-two million, twenty thousand, twenty-one".