20015535422 has 8 divisors (see below), whose sum is σ = 30332822016. Its totient is φ = 9904594752.

The previous prime is 20015535409. The next prime is 20015535437. The reversal of 20015535422 is 22453551002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51586238 + ... + 51586625.

It is an arithmetic number, because the mean of its divisors is an integer number (3791602752).

Almost surely, 2^20015535422 is an apocalyptic number.

20015535422 is a deficient number, since it is larger than the sum of its proper divisors (10317286594).

20015535422 is a wasteful number, since it uses less digits than its factorization.

20015535422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103172962.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 20015535422 in words is "twenty billion, fifteen million, five hundred thirty-five thousand, four hundred twenty-two".