4020154213 has 4 divisors (see below), whose sum is σ = 4088292480. Its totient is φ = 3952015948.

The previous prime is 4020154189. The next prime is 4020154223. The reversal of 4020154213 is 3124510204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020154213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020154223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34069045 + ... + 34069162.

It is an arithmetic number, because the mean of its divisors is an integer number (1022073120).

Almost surely, 2^4020154213 is an apocalyptic number.

It is an amenable number.

4020154213 is a deficient number, since it is larger than the sum of its proper divisors (68138267).

4020154213 is an equidigital number, since it uses as much as digits as its factorization.

4020154213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68138266.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4020154213 is about 63404.6860492188. The cubic root of 4020154213 is about 1590.0626549945.

Adding to 4020154213 its reverse (3124510204), we get a palindrome (7144664417).

The spelling of 4020154213 in words is "four billion, twenty million, one hundred fifty-four thousand, two hundred thirteen".