20420222000 has 40 divisors (see below), whose sum is σ = 49376101632. Its totient is φ = 8168088000.

The previous prime is 20420221979. The next prime is 20420222057. The reversal of 20420222000 is 22202402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

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, 5103056 + ... + 5107055.

Almost surely, 2^20420222000 is an apocalyptic number.

20420222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20420222000 is an abundant number, since it is smaller than the sum of its proper divisors (28955879632).

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

20420222000 is a wasteful number, since it uses less digits than its factorization.

20420222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210134 (or 10210118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20420222000 its reverse (22202402), we get a palindrome (20442424402).

The spelling of 20420222000 in words is "twenty billion, four hundred twenty million, two hundred twenty-two thousand".