20425146622 has 4 divisors (see below), whose sum is σ = 30637719936. Its totient is φ = 10212573310.

The previous prime is 20425146613. The next prime is 20425146631. The reversal of 20425146622 is 22664152402.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20425146613) and next prime (20425146631).

It is a super-2 number, since 2×20425146622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106286654 + ... + 5106286657.

It is an arithmetic number, because the mean of its divisors is an integer number (7659429984).

Almost surely, 2^20425146622 is an apocalyptic number.

20425146622 is a deficient number, since it is larger than the sum of its proper divisors (10212573314).

20425146622 is a wasteful number, since it uses less digits than its factorization.

20425146622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212573313.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 20425146622 in words is "twenty billion, four hundred twenty-five million, one hundred forty-six thousand, six hundred twenty-two".