20413515212 has 48 divisors (see below), whose sum is σ = 36629742240. Its totient is φ = 9952128000.

The previous prime is 20413515211. The next prime is 20413515223. The reversal of 20413515212 is 21251531402.

It is not an unprimeable number, because it can be changed into a prime (20413515211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7822964 + ... + 7825572.

It is an arithmetic number, because the mean of its divisors is an integer number (763119630).

Almost surely, 2^20413515212 is an apocalyptic number.

It is an amenable number.

20413515212 is a deficient number, since it is larger than the sum of its proper divisors (16216227028).

20413515212 is a wasteful number, since it uses less digits than its factorization.

20413515212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 20413515212 in words is "twenty billion, four hundred thirteen million, five hundred fifteen thousand, two hundred twelve".