1020210323202 has 128 divisors (see below), whose sum is σ = 2708786073600. Its totient is φ = 278813986704.

The previous prime is 1020210323191. The next prime is 1020210323221. The reversal of 1020210323202 is 2023230120201.

1020210323202 is a `hidden beast` number, since 102 + 0 + 210 + 32 + 320 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4488213 + ... + 4710039.

It is an arithmetic number, because the mean of its divisors is an integer number (21162391200).

Almost surely, 2^{1020210323202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020210323202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354393036800).

1020210323202 is an abundant number, since it is smaller than the sum of its proper divisors (1688575750398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020210323202 is an equidigital number, since it uses as much as digits as its factorization.

1020210323202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221914 (or 221862 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1020210323202 its reverse (2023230120201), we get a palindrome (3043440443403).

The spelling of 1020210323202 in words is "one trillion, twenty billion, two hundred ten million, three hundred twenty-three thousand, two hundred two".