20001523002 has 16 divisors (see below), whose sum is σ = 40004434272. Its totient is φ = 6666942960.

The previous prime is 20001523001. The next prime is 20001523019. The reversal of 20001523002 is 20032510002.

20001523002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20001523001) 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, 295308 + ... + 356664.

It is an arithmetic number, because the mean of its divisors is an integer number (2500277142).

Almost surely, 2^20001523002 is an apocalyptic number.

20001523002 is an abundant number, since it is smaller than the sum of its proper divisors (20002911270).

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

20001523002 is a wasteful number, since it uses less digits than its factorization.

20001523002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115693.

The product of its (nonzero) digits is 120, while the sum is 15.

The spelling of 20001523002 in words is "twenty billion, one million, five hundred twenty-three thousand, two".