20333401420 has 48 divisors (see below), whose sum is σ = 44268765408. Its totient is φ = 7839357440.

The previous prime is 20333401411. The next prime is 20333401433. The reversal of 20333401420 is 2410433302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20333401391 and 20333401400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81319 + ... + 217438.

It is an arithmetic number, because the mean of its divisors is an integer number (922265946).

Almost surely, 2^20333401420 is an apocalyptic number.

20333401420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333401420 is an abundant number, since it is smaller than the sum of its proper divisors (23935363988).

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

20333401420 is a wasteful number, since it uses less digits than its factorization.

20333401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298890 (or 298888 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20333401420 its reverse (2410433302), we get a palindrome (22743834722).

The spelling of 20333401420 in words is "twenty billion, three hundred thirty-three million, four hundred one thousand, four hundred twenty".