1020220202087 has 2 divisors, whose sum is σ = 1020220202088. Its totient is φ = 1020220202086.

The previous prime is 1020220202059. The next prime is 1020220202107. The reversal of 1020220202087 is 7802020220201.

It is a strong prime.

It is an emirp because it is prime and its reverse (7802020220201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020220202087 - 2³⁰ = 1019146460263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020220201087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510110101043 + 510110101044.

It is an arithmetic number, because the mean of its divisors is an integer number (510110101044).

Almost surely, 2^{1020220202087} is an apocalyptic number.

1020220202087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020220202087 is an equidigital number, since it uses as much as digits as its factorization.

1020220202087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 1020220202087 its reverse (7802020220201), we get a palindrome (8822240422288).

The spelling of 1020220202087 in words is "one trillion, twenty billion, two hundred twenty million, two hundred two thousand, eighty-seven".