21234662202 has 32 divisors (see below), whose sum is σ = 46039109760. Its totient is φ = 6490468800.

The previous prime is 21234662167. The next prime is 21234662203. The reversal of 21234662202 is 20226643212.

It is a self number, because there is not a number n which added to its sum of digits gives 21234662202.

It is not an unprimeable number, because it can be changed into a prime (21234662203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889677 + ... + 913232.

It is an arithmetic number, because the mean of its divisors is an integer number (1438722180).

Almost surely, 2^21234662202 is an apocalyptic number.

21234662202 is an abundant number, since it is smaller than the sum of its proper divisors (24804447558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21234662202 is a wasteful number, since it uses less digits than its factorization.

21234662202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803078.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 21234662202 in words is "twenty-one billion, two hundred thirty-four million, six hundred sixty-two thousand, two hundred two".