21203032094 has 16 divisors (see below), whose sum is σ = 34081136208. Its totient is φ = 9857680512.

The previous prime is 21203032079. The next prime is 21203032099. The reversal of 21203032094 is 49023030212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21203032099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753917 + ... + 3759560.

It is an arithmetic number, because the mean of its divisors is an integer number (2130071013).

Almost surely, 2^21203032094 is an apocalyptic number.

21203032094 is a deficient number, since it is larger than the sum of its proper divisors (12878104114).

21203032094 is a wasteful number, since it uses less digits than its factorization.

21203032094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513579.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 21203032094 in words is "twenty-one billion, two hundred three million, thirty-two thousand, ninety-four".