20514431642622 has 16 divisors (see below), whose sum is σ = 41802992781840. Its totient is φ = 6709122298112.

The previous prime is 20514431642611. The next prime is 20514431642843. The reversal of 20514431642622 is 22624613441502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32255395347 + ... + 32255395982.

It is an arithmetic number, because the mean of its divisors is an integer number (2612687048865).

Almost surely, 2^{20514431642622} is an apocalyptic number.

20514431642622 is an abundant number, since it is smaller than the sum of its proper divisors (21288561139218).

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

20514431642622 is a wasteful number, since it uses less digits than its factorization.

20514431642622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64510791387.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 20514431642622 in words is "twenty trillion, five hundred fourteen billion, four hundred thirty-one million, six hundred forty-two thousand, six hundred twenty-two".