1020200209973 has 8 divisors (see below), whose sum is σ = 1170152280192. Its totient is φ = 871300435536.

The previous prime is 1020200209961. The next prime is 1020200209981. The reversal of 1020200209973 is 3799020020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020200209973 - 2²² = 1020196015669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020200200973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263071865 + ... + 263075742.

It is an arithmetic number, because the mean of its divisors is an integer number (146269035024).

Almost surely, 2^{1020200209973} is an apocalyptic number.

It is an amenable number.

1020200209973 is a deficient number, since it is larger than the sum of its proper divisors (149952070219).

1020200209973 is an equidigital number, since it uses as much as digits as its factorization.

1020200209973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526147891.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 1020200209973 in words is "one trillion, twenty billion, two hundred million, two hundred nine thousand, nine hundred seventy-three".