20942222213 has 8 divisors (see below), whose sum is σ = 22870196640. Its totient is φ = 19018270480.

The previous prime is 20942222207. The next prime is 20942222263. The reversal of 20942222213 is 31222224902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20942222213 - 2¹² = 20942218117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20942222263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994778 + ... + 1015611.

It is an arithmetic number, because the mean of its divisors is an integer number (2858774580).

Almost surely, 2^20942222213 is an apocalyptic number.

It is an amenable number.

20942222213 is a deficient number, since it is larger than the sum of its proper divisors (1927974427).

20942222213 is a wasteful number, since it uses less digits than its factorization.

20942222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011347.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20942222213 in words is "twenty billion, nine hundred forty-two million, two hundred twenty-two thousand, two hundred thirteen".