4022012010020 has 24 divisors (see below), whose sum is σ = 8541126631800. Its totient is φ = 1590728344832.

The previous prime is 4022012010007. The next prime is 4022012010031. The reversal of 4022012010020 is 200102102204.

It can be written as a sum of positive squares in 4 ways, for example, as 6701387044 + 4015310622976 = 81862^2 + 2003824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4022012009977 and 4022012010004.

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, 1129776875 + ... + 1129780434.

It is an arithmetic number, because the mean of its divisors is an integer number (355880276325).

Almost surely, 2^{4022012010020} is an apocalyptic number.

It is an amenable number.

4022012010020 is an abundant number, since it is smaller than the sum of its proper divisors (4519114621780).

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

4022012010020 is a wasteful number, since it uses less digits than its factorization.

4022012010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259557407 (or 2259557405 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 4022012010020 its reverse (200102102204), we get a palindrome (4222114112224).

The spelling of 4022012010020 in words is "four trillion, twenty-two billion, twelve million, ten thousand, twenty".