20475337102 has 12 divisors (see below), whose sum is σ = 33758923968. Its totient is φ = 9306971300.

The previous prime is 20475337087. The next prime is 20475337139. The reversal of 20475337102 is 20173357402.

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 5 ways as a sum of consecutive naturals, for example, 42304174 + ... + 42304657.

It is an arithmetic number, because the mean of its divisors is an integer number (2813243664).

Almost surely, 2^20475337102 is an apocalyptic number.

20475337102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20475337102 is a deficient number, since it is larger than the sum of its proper divisors (13283586866).

20475337102 is a wasteful number, since it uses less digits than its factorization.

20475337102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84608855 (or 84608844 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 20475337102 in words is "twenty billion, four hundred seventy-five million, three hundred thirty-seven thousand, one hundred two".