20315514011 has 8 divisors (see below), whose sum is σ = 21899317440. Its totient is φ = 18734720832.

The previous prime is 20315513969. The next prime is 20315514119. The reversal of 20315514011 is 11041551302.

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 20315514011 - 2⁶ = 20315513947 is a prime.

It is a super-2 number, since 2×20315514011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20315514211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738530 + ... + 765543.

It is an arithmetic number, because the mean of its divisors is an integer number (2737414680).

Almost surely, 2^20315514011 is an apocalyptic number.

20315514011 is a deficient number, since it is larger than the sum of its proper divisors (1583803429).

20315514011 is a wasteful number, since it uses less digits than its factorization.

20315514011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505125.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 20315514011 in words is "twenty billion, three hundred fifteen million, five hundred fourteen thousand, eleven".