220215531051 has 12 divisors (see below), whose sum is σ = 318099582528. Its totient is φ = 146805516144.

The previous prime is 220215531049. The next prime is 220215531059. The reversal of 220215531051 is 150135512022.

220215531051 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 1 + 553 + 105 + 1 = 666.

It is not a de Polignac number, because 220215531051 - 2¹ = 220215531049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220215531059) 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, 103120 + ... + 671613.

It is an arithmetic number, because the mean of its divisors is an integer number (26508298544).

Almost surely, 2^220215531051 is an apocalyptic number.

220215531051 is a deficient number, since it is larger than the sum of its proper divisors (97884051477).

220215531051 is a wasteful number, since it uses less digits than its factorization.

220215531051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806322 (or 806319 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 220215531051 in words is "two hundred twenty billion, two hundred fifteen million, five hundred thirty-one thousand, fifty-one".