1020650211 has 12 divisors (see below), whose sum is σ = 1684882992. Its totient is φ = 583228656.

The previous prime is 1020650207. The next prime is 1020650287. The reversal of 1020650211 is 1120560201.

1020650211 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 650 + 2 + 11 = 666.

It is not a de Polignac number, because 1020650211 - 2² = 1020650207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020650311) 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, 8100336 + ... + 8100461.

It is an arithmetic number, because the mean of its divisors is an integer number (140406916).

Almost surely, 2^1020650211 is an apocalyptic number.

1020650211 is a deficient number, since it is larger than the sum of its proper divisors (664232781).

1020650211 is a wasteful number, since it uses less digits than its factorization.

1020650211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16200810 (or 16200807 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1020650211 is about 31947.6166716705. The cubic root of 1020650211 is about 1006.8365586226.

The spelling of 1020650211 in words is "one billion, twenty million, six hundred fifty thousand, two hundred eleven".