7542020223 has 6 divisors (see below), whose sum is σ = 10894029224. Its totient is φ = 5028013476.

The previous prime is 7542020203. The next prime is 7542020237. The reversal of 7542020223 is 3220202457.

It is not a de Polignac number, because 7542020223 - 2⁶ = 7542020159 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 (7542020203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 419001115 + ... + 419001132.

Almost surely, 2^7542020223 is an apocalyptic number.

7542020223 is a deficient number, since it is larger than the sum of its proper divisors (3352009001).

7542020223 is a wasteful number, since it uses less digits than its factorization.

7542020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838002253 (or 838002250 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 7542020223 is about 86844.8053886932. The cubic root of 7542020223 is about 1961.0826504230.

The spelling of 7542020223 in words is "seven billion, five hundred forty-two million, twenty thousand, two hundred twenty-three".