1020203100302 has 16 divisors (see below), whose sum is σ = 1532951814240. Its totient is φ = 509219453568.

The previous prime is 1020203100269. The next prime is 1020203100313. The reversal of 1020203100302 is 2030013020201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7250474 + ... + 7389842.

It is an arithmetic number, because the mean of its divisors is an integer number (95809488390).

Almost surely, 2^{1020203100302} is an apocalyptic number.

1020203100302 is a deficient number, since it is larger than the sum of its proper divisors (512748713938).

1020203100302 is a wasteful number, since it uses less digits than its factorization.

1020203100302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145675.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1020203100302 its reverse (2030013020201), we get a palindrome (3050216120503).

The spelling of 1020203100302 in words is "one trillion, twenty billion, two hundred three million, one hundred thousand, three hundred two".