20015474002 has 4 divisors (see below), whose sum is σ = 30023211006. Its totient is φ = 10007737000.

The previous prime is 20015473993. The next prime is 20015474029. The reversal of 20015474002 is 20047451002.

20015474002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13871892841 + 6143581161 = 117779^2 + 78381^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003868499 + ... + 5003868502.

Almost surely, 2^20015474002 is an apocalyptic number.

20015474002 is a deficient number, since it is larger than the sum of its proper divisors (10007737004).

20015474002 is a wasteful number, since it uses less digits than its factorization.

20015474002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007737003.

The product of its (nonzero) digits is 2240, while the sum is 25.

The spelling of 20015474002 in words is "twenty billion, fifteen million, four hundred seventy-four thousand, two".