20122365315 has 32 divisors (see below), whose sum is σ = 35111301120. Its totient is φ = 9780990336.

The previous prime is 20122365313. The next prime is 20122365317. The reversal of 20122365315 is 51356322102.

It is an interprime number because it is at equal distance from previous prime (20122365313) and next prime (20122365317).

It is not a de Polignac number, because 20122365315 - 2¹ = 20122365313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122365311) 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 31 ways as a sum of consecutive naturals, for example, 637707 + ... + 668516.

It is an arithmetic number, because the mean of its divisors is an integer number (1097228160).

Almost surely, 2^20122365315 is an apocalyptic number.

20122365315 is a deficient number, since it is larger than the sum of its proper divisors (14988935805).

20122365315 is a wasteful number, since it uses less digits than its factorization.

20122365315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306323.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 20122365315 its reverse (51356322102), we get a palindrome (71478687417).

The spelling of 20122365315 in words is "twenty billion, one hundred twenty-two million, three hundred sixty-five thousand, three hundred fifteen".