20164225135 has 8 divisors (see below), whose sum is σ = 24351192576. Its totient is φ = 16028631840.

The previous prime is 20164225127. The next prime is 20164225163. The reversal of 20164225135 is 53152246102.

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

It is not a de Polignac number, because 20164225135 - 2³ = 20164225127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20164225097 and 20164225106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12842671 + ... + 12844240.

It is an arithmetic number, because the mean of its divisors is an integer number (3043899072).

Almost surely, 2^20164225135 is an apocalyptic number.

20164225135 is a deficient number, since it is larger than the sum of its proper divisors (4186967441).

20164225135 is a wasteful number, since it uses less digits than its factorization.

20164225135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25687073.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 20164225135 in words is "twenty billion, one hundred sixty-four million, two hundred twenty-five thousand, one hundred thirty-five".