2020102100987 has 2 divisors, whose sum is σ = 2020102100988. Its totient is φ = 2020102100986.

The previous prime is 2020102100969. The next prime is 2020102101007. The reversal of 2020102100987 is 7890012010202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020102100987 - 2¹⁴ = 2020102084603 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020102130987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010051050493 + 1010051050494.

It is an arithmetic number, because the mean of its divisors is an integer number (1010051050494).

Almost surely, 2^{2020102100987} is an apocalyptic number.

2020102100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020102100987 is an equidigital number, since it uses as much as digits as its factorization.

2020102100987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 2020102100987 in words is "two trillion, twenty billion, one hundred two million, one hundred thousand, nine hundred eighty-seven".