20387415622 has 16 divisors (see below), whose sum is σ = 35289176832. Its totient is φ = 8652633480.

The previous prime is 20387415617. The next prime is 20387415623. The reversal of 20387415622 is 22651478302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20387415623) 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, 7067704 + ... + 7070587.

It is an arithmetic number, because the mean of its divisors is an integer number (2205573552).

Almost surely, 2^20387415622 is an apocalyptic number.

20387415622 is a deficient number, since it is larger than the sum of its proper divisors (14901761210).

20387415622 is a wasteful number, since it uses less digits than its factorization.

20387415622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14138403.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 20387415622 in words is "twenty billion, three hundred eighty-seven million, four hundred fifteen thousand, six hundred twenty-two".