20020001022000 has 240 divisors, whose sum is σ = 79912217915712. Its totient is φ = 4576000204800.

The previous prime is 20020001021959. The next prime is 20020001022017. The reversal of 20020001022000 is 22010002002.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79318449 + ... + 79570448.

Almost surely, 2^{20020001022000} is an apocalyptic number.

20020001022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020001022000 is an abundant number, since it is smaller than the sum of its proper divisors (59892216893712).

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

20020001022000 is a wasteful number, since it uses less digits than its factorization.

20020001022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158888933 (or 158888914 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20020001022000 its reverse (22010002002), we get a palindrome (20042011024002).

The spelling of 20020001022000 in words is "twenty trillion, twenty billion, one million, twenty-two thousand".