4020334525 has 24 divisors (see below), whose sum is σ = 5177425320. Its totient is φ = 3093135360.

The previous prime is 4020334501. The next prime is 4020334537. The reversal of 4020334525 is 5254330204.

It can be written as a sum of positive squares in 12 ways, for example, as 13689 + 4020320836 = 117^2 + 63406^2 .

It is not a de Polignac number, because 4020334525 - 2²¹ = 4018237373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4020334493 and 4020334502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175537 + ... + 197113.

It is an arithmetic number, because the mean of its divisors is an integer number (215726055).

Almost surely, 2^4020334525 is an apocalyptic number.

It is an amenable number.

4020334525 is a deficient number, since it is larger than the sum of its proper divisors (1157090795).

4020334525 is a wasteful number, since it uses less digits than its factorization.

4020334525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21873 (or 21868 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 4020334525 is about 63406.1079471055. The cubic root of 4020334525 is about 1590.0864271415.

Adding to 4020334525 its reverse (5254330204), we get a palindrome (9274664729).

The spelling of 4020334525 in words is "four billion, twenty million, three hundred thirty-four thousand, five hundred twenty-five".