20047389510 has 32 divisors (see below), whose sum is σ = 48163560192. Its totient is φ = 5340434400.

The previous prime is 20047389499. The next prime is 20047389511. The reversal of 20047389510 is 1598374002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20047389511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316516 + ... + 374535.

It is an arithmetic number, because the mean of its divisors is an integer number (1505111256).

Almost surely, 2^20047389510 is an apocalyptic number.

20047389510 is an abundant number, since it is smaller than the sum of its proper divisors (28116170682).

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

20047389510 is a wasteful number, since it uses less digits than its factorization.

20047389510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692028.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 20047389510 in words is "twenty billion, forty-seven million, three hundred eighty-nine thousand, five hundred ten".