20523301012 has 12 divisors (see below), whose sum is σ = 35928537120. Its totient is φ = 10258004696.

The previous prime is 20523301009. The next prime is 20523301037. The reversal of 20523301012 is 21010332502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898768 + ... + 921319.

It is an arithmetic number, because the mean of its divisors is an integer number (2994044760).

Almost surely, 2^20523301012 is an apocalyptic number.

It is an amenable number.

20523301012 is a deficient number, since it is larger than the sum of its proper divisors (15405236108).

20523301012 is a wasteful number, since it uses less digits than its factorization.

20523301012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822910 (or 1822908 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 20523301012 its reverse (21010332502), we get a palindrome (41533633514).

The spelling of 20523301012 in words is "twenty billion, five hundred twenty-three million, three hundred one thousand, twelve".