4020127692 has 48 divisors (see below), whose sum is σ = 11284573440. Its totient is φ = 1088154432.

The previous prime is 4020127687. The next prime is 4020127789. The reversal of 4020127692 is 2967210204.

It is a super-2 number, since 2×4020127692² = 32322853319970493728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257843 + ... + 1261034.

It is an arithmetic number, because the mean of its divisors is an integer number (235095280).

Almost surely, 2^4020127692 is an apocalyptic number.

4020127692 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4020127692 is an abundant number, since it is smaller than the sum of its proper divisors (7264445748).

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

4020127692 is a wasteful number, since it uses less digits than its factorization.

4020127692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518910 (or 2518908 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4020127692 is about 63404.4769081805. The cubic root of 4020127692 is about 1590.0591584334.

Adding to 4020127692 its reverse (2967210204), we get a palindrome (6987337896).

The spelling of 4020127692 in words is "four billion, twenty million, one hundred twenty-seven thousand, six hundred ninety-two".