4020234734 has 4 divisors (see below), whose sum is σ = 6030352104. Its totient is φ = 2010117366.

The previous prime is 4020234731. The next prime is 4020234737. The reversal of 4020234734 is 4374320204.

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

It is an interprime number because it is at equal distance from previous prime (4020234731) and next prime (4020234737).

It is a junction number, because it is equal to n+sod(n) for n = 4020234697 and 4020234706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020234731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005058682 + ... + 1005058685.

It is an arithmetic number, because the mean of its divisors is an integer number (1507588026).

Almost surely, 2^4020234734 is an apocalyptic number.

4020234734 is a deficient number, since it is larger than the sum of its proper divisors (2010117370).

4020234734 is a wasteful number, since it uses less digits than its factorization.

4020234734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010117369.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 4020234734 is about 63405.3210227659. The cubic root of 4020234734 is about 1590.0732708874.

Adding to 4020234734 its reverse (4374320204), we get a palindrome (8394554938).

The spelling of 4020234734 in words is "four billion, twenty million, two hundred thirty-four thousand, seven hundred thirty-four".