20710445470 has 64 divisors (see below), whose sum is σ = 44004280320. Its totient is φ = 6918710400.

The previous prime is 20710445467. The next prime is 20710445471. The reversal of 20710445470 is 7454401702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20710445471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267411 + ... + 336049.

It is an arithmetic number, because the mean of its divisors is an integer number (687566880).

Almost surely, 2^20710445470 is an apocalyptic number.

20710445470 is an abundant number, since it is smaller than the sum of its proper divisors (23293834850).

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

20710445470 is a wasteful number, since it uses less digits than its factorization.

20710445470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68881.

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 20710445470 in words is "twenty billion, seven hundred ten million, four hundred forty-five thousand, four hundred seventy".