4020023134 has 4 divisors (see below), whose sum is σ = 6030034704. Its totient is φ = 2010011566.

The previous prime is 4020023083. The next prime is 4020023149. The reversal of 4020023134 is 4313200204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005005782 + ... + 1005005785.

It is an arithmetic number, because the mean of its divisors is an integer number (1507508676).

Almost surely, 2^4020023134 is an apocalyptic number.

4020023134 is a deficient number, since it is larger than the sum of its proper divisors (2010011570).

4020023134 is a wasteful number, since it uses less digits than its factorization.

4020023134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010011569.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4020023134 is about 63403.6523711371. The cubic root of 4020023134 is about 1590.0453732289.

Adding to 4020023134 its reverse (4313200204), we get a palindrome (8333223338).

The spelling of 4020023134 in words is "four billion, twenty million, twenty-three thousand, one hundred thirty-four".