19602420054 has 32 divisors (see below), whose sum is σ = 44881917696. Its totient is φ = 5591143200.

The previous prime is 19602420053. The next prime is 19602420077. The reversal of 19602420054 is 45002420691.

It is a super-2 number, since 2×19602420054² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19602419997 and 19602420024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19602420053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372897 + ... + 422204.

It is an arithmetic number, because the mean of its divisors is an integer number (1402559928).

Almost surely, 2^19602420054 is an apocalyptic number.

19602420054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19602420054 is an abundant number, since it is smaller than the sum of its proper divisors (25279497642).

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

19602420054 is a wasteful number, since it uses less digits than its factorization.

19602420054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795700.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 19602420054 in words is "nineteen billion, six hundred two million, four hundred twenty thousand, fifty-four".