20619042422 has 16 divisors (see below), whose sum is σ = 33888894912. Its totient is φ = 9331002120.

The previous prime is 20619042401. The next prime is 20619042469. The reversal of 20619042422 is 22424091602.

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, 2059388 + ... + 2069375.

It is an arithmetic number, because the mean of its divisors is an integer number (2118055932).

Almost surely, 2^20619042422 is an apocalyptic number.

20619042422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20619042422 is a deficient number, since it is larger than the sum of its proper divisors (13269852490).

20619042422 is a wasteful number, since it uses less digits than its factorization.

20619042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129003.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 20619042422 in words is "twenty billion, six hundred nineteen million, forty-two thousand, four hundred twenty-two".