4023020023420 has 96 divisors (see below), whose sum is σ = 8645828284800. Its totient is φ = 1572156518400.

The previous prime is 4023020023391. The next prime is 4023020023423. The reversal of 4023020023420 is 243200203204.

It is a super-3 number, since 3×4023020023420³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4023020023391 and 4023020023400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023020023423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46172056 + ... + 46259104.

It is an arithmetic number, because the mean of its divisors is an integer number (90060711300).

Almost surely, 2^{4023020023420} is an apocalyptic number.

It is an amenable number.

4023020023420 is an abundant number, since it is smaller than the sum of its proper divisors (4622808261380).

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

4023020023420 is a wasteful number, since it uses less digits than its factorization.

4023020023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87463 (or 87461 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 4023020023420 its reverse (243200203204), we get a palindrome (4266220226624).

The spelling of 4023020023420 in words is "four trillion, twenty-three billion, twenty million, twenty-three thousand, four hundred twenty".