20120203102 has 16 divisors (see below), whose sum is σ = 31784722560. Its totient is φ = 9525828312.

The previous prime is 20120203091. The next prime is 20120203109. The reversal of 20120203102 is 20130202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120203109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56058 + ... + 208285.

It is an arithmetic number, because the mean of its divisors is an integer number (1986545160).

Almost surely, 2^20120203102 is an apocalyptic number.

20120203102 is a deficient number, since it is larger than the sum of its proper divisors (11664519458).

20120203102 is a wasteful number, since it uses less digits than its factorization.

20120203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266367.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20120203102 its reverse (20130202102), we get a palindrome (40250405204).

The spelling of 20120203102 in words is "twenty billion, one hundred twenty million, two hundred three thousand, one hundred two".