4020020052187 has 2 divisors, whose sum is σ = 4020020052188. Its totient is φ = 4020020052186.

The previous prime is 4020020052157. The next prime is 4020020052211. The reversal of 4020020052187 is 7812500200204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4020020052187 - 2¹¹ = 4020020050139 is a prime.

It is a super-2 number, since 2×4020020052187² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4020020052157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010010026093 + 2010010026094.

It is an arithmetic number, because the mean of its divisors is an integer number (2010010026094).

Almost surely, 2^{4020020052187} is an apocalyptic number.

4020020052187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020020052187 is an equidigital number, since it uses as much as digits as its factorization.

4020020052187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The spelling of 4020020052187 in words is "four trillion, twenty billion, twenty million, fifty-two thousand, one hundred eighty-seven".