20300522155 has 8 divisors (see below), whose sum is σ = 24369894432. Its totient is φ = 16234239168.

The previous prime is 20300522129. The next prime is 20300522183. The reversal of 20300522155 is 55122500302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20300522155 - 2¹⁵ = 20300489387 is a prime.

It is a super-2 number, since 2×20300522155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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, 757839 + ... + 784168.

It is an arithmetic number, because the mean of its divisors is an integer number (3046236804).

Almost surely, 2^20300522155 is an apocalyptic number.

20300522155 is a deficient number, since it is larger than the sum of its proper divisors (4069372277).

20300522155 is a wasteful number, since it uses less digits than its factorization.

20300522155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544645.

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 20300522155 in words is "twenty billion, three hundred million, five hundred twenty-two thousand, one hundred fifty-five".