1020202005102 has 32 divisors (see below), whose sum is σ = 2332256467200. Its totient is φ = 291440515968.

The previous prime is 1020202005083. The next prime is 1020202005103. The reversal of 1020202005102 is 2015002020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020202005103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636027 + ... + 2171862.

It is an arithmetic number, because the mean of its divisors is an integer number (72883014600).

Almost surely, 2^{1020202005102} is an apocalyptic number.

1020202005102 is an abundant number, since it is smaller than the sum of its proper divisors (1312054462098).

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

1020202005102 is a wasteful number, since it uses less digits than its factorization.

1020202005102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814280.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 1020202005102 its reverse (2015002020201), we get a palindrome (3035204025303).

The spelling of 1020202005102 in words is "one trillion, twenty billion, two hundred two million, five thousand, one hundred two".