20534871202 has 16 divisors (see below), whose sum is σ = 31120797312. Its totient is φ = 10161693360.

The previous prime is 20534871199. The next prime is 20534871211. The reversal of 20534871202 is 20217843502.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7338 + ... + 202789.

It is an arithmetic number, because the mean of its divisors is an integer number (1945049832).

Almost surely, 2^20534871202 is an apocalyptic number.

20534871202 is a deficient number, since it is larger than the sum of its proper divisors (10585926110).

20534871202 is a wasteful number, since it uses less digits than its factorization.

20534871202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210633.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 20534871202 in words is "twenty billion, five hundred thirty-four million, eight hundred seventy-one thousand, two hundred two".