20413541530 has 16 divisors (see below), whose sum is σ = 37069548264. Its totient is φ = 8093155840.

The previous prime is 20413541507. The next prime is 20413541557. The reversal of 20413541530 is 3514531402.

It can be written as a sum of positive squares in 4 ways, for example, as 6592952809 + 13820588721 = 81197^2 + 117561^2 .

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, 9031411 + ... + 9033670.

Almost surely, 2^20413541530 is an apocalyptic number.

20413541530 is a deficient number, since it is larger than the sum of its proper divisors (16656006734).

20413541530 is a wasteful number, since it uses less digits than its factorization.

20413541530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18065201.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 20413541530 in words is "twenty billion, four hundred thirteen million, five hundred forty-one thousand, five hundred thirty".