20412213015 has 16 divisors (see below), whose sum is σ = 32690700000. Its totient is φ = 10876127232.

The previous prime is 20412213007. The next prime is 20412213053. The reversal of 20412213015 is 51031221402.

It is not a de Polignac number, because 20412213015 - 2³ = 20412213007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20412212982 and 20412213000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632890 + ... + 664359.

It is an arithmetic number, because the mean of its divisors is an integer number (2043168750).

Almost surely, 2^20412213015 is an apocalyptic number.

20412213015 is a deficient number, since it is larger than the sum of its proper divisors (12278486985).

20412213015 is a wasteful number, since it uses less digits than its factorization.

20412213015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298306.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20412213015 its reverse (51031221402), we get a palindrome (71443434417).

The spelling of 20412213015 in words is "twenty billion, four hundred twelve million, two hundred thirteen thousand, fifteen".