20022001020000 has 360 divisors, whose sum is σ = 81313355659536. Its totient is φ = 4576457088000.

The previous prime is 20022001019963. The next prime is 20022001020019. The reversal of 20022001020000 is 2010022002.

It is a tau number, because it is divible by the number of its divisors (360).

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6685239 + ... + 9205238.

Almost surely, 2^{20022001020000} is an apocalyptic number.

20022001020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022001020000 is an abundant number, since it is smaller than the sum of its proper divisors (61291354639536).

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

20022001020000 is a wasteful number, since it uses less digits than its factorization.

20022001020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15890520 (or 15890494 counting only the distinct ones).

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

Adding to 20022001020000 its reverse (2010022002), we get a palindrome (20024011042002).

The spelling of 20022001020000 in words is "twenty trillion, twenty-two billion, one million, twenty thousand".