1020204122 has 16 divisors (see below), whose sum is σ = 1761506880. Its totient is φ = 434083968.

The previous prime is 1020204103. The next prime is 1020204151. The reversal of 1020204122 is 2214020201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1020204097 and 1020204106.

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, 260183 + ... + 264074.

It is an arithmetic number, because the mean of its divisors is an integer number (110094180).

Almost surely, 2^1020204122 is an apocalyptic number.

1020204122 is a deficient number, since it is larger than the sum of its proper divisors (741302758).

1020204122 is a wasteful number, since it uses less digits than its factorization.

1020204122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524405.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1020204122 is about 31940.6343393490. The cubic root of 1020204122 is about 1006.6898533953.

Adding to 1020204122 its reverse (2214020201), we get a palindrome (3234224323).

The spelling of 1020204122 in words is "one billion, twenty million, two hundred four thousand, one hundred twenty-two".