4020771772 has 24 divisors (see below), whose sum is σ = 7344755712. Its totient is φ = 1922329200.

The previous prime is 4020771767. The next prime is 4020771793. The reversal of 4020771772 is 2771770204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372897 + ... + 383527.

It is an arithmetic number, because the mean of its divisors is an integer number (306031488).

Almost surely, 2^4020771772 is an apocalyptic number.

It is an amenable number.

4020771772 is a deficient number, since it is larger than the sum of its proper divisors (3323983940).

4020771772 is a wasteful number, since it uses less digits than its factorization.

4020771772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14769 (or 14767 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 4020771772 is about 63409.5558413714. Note that the first 3 decimals coincide. The cubic root of 4020771772 is about 1590.1440703809.

The spelling of 4020771772 in words is "four billion, twenty million, seven hundred seventy-one thousand, seven hundred seventy-two".