20622357642712 has 192 divisors, whose sum is σ = 48026587301280. Its totient is φ = 8248389746688.

The previous prime is 20622357642683. The next prime is 20622357642743. The reversal of 20622357642712 is 21724675322602.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855438963 + ... + 855463069.

Almost surely, 2^{20622357642712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20622357642712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24013293650640).

20622357642712 is an abundant number, since it is smaller than the sum of its proper divisors (27404229658568).

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

20622357642712 is a wasteful number, since it uses less digits than its factorization.

20622357642712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25218 (or 25207 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 20622357642712 in words is "twenty trillion, six hundred twenty-two billion, three hundred fifty-seven million, six hundred forty-two thousand, seven hundred twelve".