42020220131 has 4 divisors (see below), whose sum is σ = 42020637264. Its totient is φ = 42019803000.

The previous prime is 42020220113. The next prime is 42020220133. The reversal of 42020220131 is 13102202024.

42020220131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42020220131 - 2³⁴ = 24840350947 is a prime.

It is a super-2 number, since 2×42020220131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42020220133) 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, 46586 + ... + 293616.

It is an arithmetic number, because the mean of its divisors is an integer number (10505159316).

Almost surely, 2^42020220131 is an apocalyptic number.

42020220131 is a deficient number, since it is larger than the sum of its proper divisors (417133).

42020220131 is a wasteful number, since it uses less digits than its factorization.

42020220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417132.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 42020220131 its reverse (13102202024), we get a palindrome (55122422155).

The spelling of 42020220131 in words is "forty-two billion, twenty million, two hundred twenty thousand, one hundred thirty-one".