20562741102 has 64 divisors (see below), whose sum is σ = 45139680000. Its totient is φ = 6215677440.

The previous prime is 20562741097. The next prime is 20562741163. The reversal of 20562741102 is 20114726502.

It is a self number, because there is not a number n which added to its sum of digits gives 20562741102.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 1469077 + ... + 1483007.

It is an arithmetic number, because the mean of its divisors is an integer number (705307500).

Almost surely, 2^20562741102 is an apocalyptic number.

20562741102 is an abundant number, since it is smaller than the sum of its proper divisors (24576938898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20562741102 is a wasteful number, since it uses less digits than its factorization.

20562741102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 20562741102 in words is "twenty billion, five hundred sixty-two million, seven hundred forty-one thousand, one hundred two".