20004656370 has 16 divisors (see below), whose sum is σ = 48011175360. Its totient is φ = 5334575024.

The previous prime is 20004656351. The next prime is 20004656377. The reversal of 20004656370 is 7365640002.

It is not an unprimeable number, because it can be changed into a prime (20004656377) 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, 333410910 + ... + 333410969.

It is an arithmetic number, because the mean of its divisors is an integer number (3000698460).

Almost surely, 2^20004656370 is an apocalyptic number.

20004656370 is an abundant number, since it is smaller than the sum of its proper divisors (28006518990).

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

20004656370 is a wasteful number, since it uses less digits than its factorization.

20004656370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666821889.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20004656370 in words is "twenty billion, four million, six hundred fifty-six thousand, three hundred seventy".