4022012023020 has 240 divisors, whose sum is σ = 12946017224448. Its totient is φ = 1044670556160.

The previous prime is 4022012022967. The next prime is 4022012023037. The reversal of 4022012023020 is 203202102204.

4022012023020 is a `hidden beast` number, since 402 + 2 + 0 + 12 + 0 + 230 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4022012022984 and 4022012023002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 40932069 + ... + 41030211.

Almost surely, 2^{4022012023020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4022012023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6473008612224).

4022012023020 is an abundant number, since it is smaller than the sum of its proper divisors (8924005201428).

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

4022012023020 is a wasteful number, since it uses less digits than its factorization.

4022012023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98822 (or 98811 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 4022012023020 its reverse (203202102204), we get a palindrome (4225214125224).

The spelling of 4022012023020 in words is "four trillion, twenty-two billion, twelve million, twenty-three thousand, twenty".