20415011213000 has 32 divisors (see below), whose sum is σ = 47771126240760. Its totient is φ = 8166004484800.

The previous prime is 20415011212969. The next prime is 20415011213021. The reversal of 20415011213000 is 31211051402.

It can be written as a sum of positive squares in 4 ways, for example, as 10682320897924 + 9732690315076 = 3268382^2 + 3119726^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 10207504607 + ... + 10207506606.

Almost surely, 2^{20415011213000} is an apocalyptic number.

20415011213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20415011213000 is an abundant number, since it is smaller than the sum of its proper divisors (27356115027760).

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

20415011213000 is a wasteful number, since it uses less digits than its factorization.

20415011213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20415011234 (or 20415011220 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 20415011213000 its reverse (31211051402), we get a palindrome (20446222264402).

The spelling of 20415011213000 in words is "twenty trillion, four hundred fifteen billion, eleven million, two hundred thirteen thousand".