1020202030156 has 12 divisors (see below), whose sum is σ = 1785432268368. Its totient is φ = 510078524912.

The previous prime is 1020202030109. The next prime is 1020202030157. The reversal of 1020202030156 is 6510302020201.

It is not an unprimeable number, because it can be changed into a prime (1020202030157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520271 + ... + 5702086.

It is an arithmetic number, because the mean of its divisors is an integer number (148786022364).

Almost surely, 2^{1020202030156} is an apocalyptic number.

It is an amenable number.

1020202030156 is a deficient number, since it is larger than the sum of its proper divisors (765230238212).

1020202030156 is a wasteful number, since it uses less digits than its factorization.

1020202030156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245088 (or 11245086 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 1020202030156 its reverse (6510302020201), we get a palindrome (7530504050357).

The spelling of 1020202030156 in words is "one trillion, twenty billion, two hundred two million, thirty thousand, one hundred fifty-six".