20870530710 has 32 divisors (see below), whose sum is σ = 50124428640. Its totient is φ = 5561568768.

The previous prime is 20870530687. The next prime is 20870530711. The reversal of 20870530710 is 1703507802.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20870530711) 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, 200547 + ... + 286286.

It is an arithmetic number, because the mean of its divisors is an integer number (1566388395).

Almost surely, 2^20870530710 is an apocalyptic number.

20870530710 is an abundant number, since it is smaller than the sum of its proper divisors (29253897930).

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

20870530710 is a wasteful number, since it uses less digits than its factorization.

20870530710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488272.

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 20870530710 in words is "twenty billion, eight hundred seventy million, five hundred thirty thousand, seven hundred ten".