20015349622 has 4 divisors (see below), whose sum is σ = 30023024436. Its totient is φ = 10007674810.

The previous prime is 20015349577. The next prime is 20015349623. The reversal of 20015349622 is 22694351002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20015349622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20015349623) 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 as a sum of consecutive naturals, namely, 5003837404 + ... + 5003837407.

It is an arithmetic number, because the mean of its divisors is an integer number (7505756109).

Almost surely, 2^20015349622 is an apocalyptic number.

20015349622 is a deficient number, since it is larger than the sum of its proper divisors (10007674814).

20015349622 is a wasteful number, since it uses less digits than its factorization.

20015349622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007674813.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 20015349622 in words is "twenty billion, fifteen million, three hundred forty-nine thousand, six hundred twenty-two".