20115012096 has 80 divisors (see below), whose sum is σ = 59541873600. Its totient is φ = 6704999424.

The previous prime is 20115012083. The next prime is 20115012109. The reversal of 20115012096 is 69021051102.

It is an interprime number because it is at equal distance from previous prime (20115012083) and next prime (20115012109).

It is a super-2 number, since 2×20115012096² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 713716 + ... + 741363.

It is an arithmetic number, because the mean of its divisors is an integer number (744273420).

Almost surely, 2^20115012096 is an apocalyptic number.

It is an amenable number.

20115012096 is an abundant number, since it is smaller than the sum of its proper divisors (39426861504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20115012096 is an equidigital number, since it uses as much as digits as its factorization.

20115012096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455106 (or 1455084 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 20115012096 its reverse (69021051102), we get a palindrome (89136063198).

The spelling of 20115012096 in words is "twenty billion, one hundred fifteen million, twelve thousand, ninety-six".