20040420022 has 16 divisors (see below), whose sum is σ = 35463232512. Its totient is φ = 8311694760.

The previous prime is 20040420019. The next prime is 20040420073. The reversal of 20040420022 is 22002404002.

It is a junction number, because it is equal to n+sod(n) for n = 20040419978 and 20040420005.

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, 23087608 + ... + 23088475.

It is an arithmetic number, because the mean of its divisors is an integer number (2216452032).

Almost surely, 2^20040420022 is an apocalyptic number.

20040420022 is a deficient number, since it is larger than the sum of its proper divisors (15422812490).

20040420022 is a wasteful number, since it uses less digits than its factorization.

20040420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46176123.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20040420022 its reverse (22002404002), we get a palindrome (42042824024).

The spelling of 20040420022 in words is "twenty billion, forty million, four hundred twenty thousand, twenty-two".