4220920540 has 48 divisors (see below), whose sum is σ = 9062928000. Its totient is φ = 1650547712.

The previous prime is 4220920523. The next prime is 4220920541. The reversal of 4220920540 is 450290224.

It is a junction number, because it is equal to n+sod(n) for n = 4220920499 and 4220920508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220920541) 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, 1040436 + ... + 1044484.

It is an arithmetic number, because the mean of its divisors is an integer number (188811000).

Almost surely, 2^4220920540 is an apocalyptic number.

It is an amenable number.

4220920540 is an abundant number, since it is smaller than the sum of its proper divisors (4842007460).

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

4220920540 is a wasteful number, since it uses less digits than its factorization.

4220920540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 5212 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4220920540 is about 64968.6119599303. The cubic root of 4220920540 is about 1616.1030832970.

The spelling of 4220920540 in words is "four billion, two hundred twenty million, nine hundred twenty thousand, five hundred forty".