20356505162 has 32 divisors (see below), whose sum is σ = 35044673664. Its totient is φ = 8687347200.

The previous prime is 20356505131. The next prime is 20356505201. The reversal of 20356505162 is 26150565302.

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, 3458462 + ... + 3464342.

It is an arithmetic number, because the mean of its divisors is an integer number (1095146052).

Almost surely, 2^20356505162 is an apocalyptic number.

20356505162 is a deficient number, since it is larger than the sum of its proper divisors (14688168502).

20356505162 is a wasteful number, since it uses less digits than its factorization.

20356505162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 20356505162 in words is "twenty billion, three hundred fifty-six million, five hundred five thousand, one hundred sixty-two".