20422021455710 has 128 divisors (see below), whose sum is σ = 43879652812800. Its totient is φ = 6697378598400.

The previous prime is 20422021455707. The next prime is 20422021455727. The reversal of 20422021455710 is 1755412022402.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64018505 + ... + 64336715.

It is an arithmetic number, because the mean of its divisors is an integer number (342809787600).

Almost surely, 2^{20422021455710} is an apocalyptic number.

20422021455710 is an abundant number, since it is smaller than the sum of its proper divisors (23457631357090).

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

20422021455710 is a wasteful number, since it uses less digits than its factorization.

20422021455710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318682.

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 20422021455710 in words is "twenty trillion, four hundred twenty-two billion, twenty-one million, four hundred fifty-five thousand, seven hundred ten".