20042411420 has 24 divisors (see below), whose sum is σ = 42092568000. Its totient is φ = 8016297152.

The previous prime is 20042411419. The next prime is 20042411461. The reversal of 20042411420 is 2411424002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20042411392 and 20042411401.

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, 256541 + ... + 325419.

It is an arithmetic number, because the mean of its divisors is an integer number (1753857000).

Almost surely, 2^20042411420 is an apocalyptic number.

20042411420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042411420 is an abundant number, since it is smaller than the sum of its proper divisors (22050156580).

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

20042411420 is a wasteful number, since it uses less digits than its factorization.

20042411420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83437 (or 83435 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20042411420 its reverse (2411424002), we get a palindrome (22453835422).

The spelling of 20042411420 in words is "twenty billion, forty-two million, four hundred eleven thousand, four hundred twenty".