1020434211 has 12 divisors (see below), whose sum is σ = 1513797792. Its totient is φ = 661903056.

The previous prime is 1020434203. The next prime is 1020434221. The reversal of 1020434211 is 1124340201.

1020434211 is a `hidden beast` number, since 1 + 0 + 20 + 434 + 211 = 666.

It is not a de Polignac number, because 1020434211 - 2³ = 1020434203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020434221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1531851 + ... + 1532516.

It is an arithmetic number, because the mean of its divisors is an integer number (126149816).

Almost surely, 2^1020434211 is an apocalyptic number.

1020434211 is a deficient number, since it is larger than the sum of its proper divisors (493363581).

1020434211 is a wasteful number, since it uses less digits than its factorization.

1020434211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064410 (or 3064407 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1020434211 is about 31944.2359589332. The cubic root of 1020434211 is about 1006.7655280718.

Adding to 1020434211 its reverse (1124340201), we get a palindrome (2144774412).

The spelling of 1020434211 in words is "one billion, twenty million, four hundred thirty-four thousand, two hundred eleven".