20201422032 has 120 divisors (see below), whose sum is σ = 63959968800. Its totient is φ = 6121630080.

The previous prime is 20201422009. The next prime is 20201422067. The reversal of 20201422032 is 23022410202.

It is a super-2 number, since 2×20201422032² (a number of 21 digits) contains 22 as substring.

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 = 20201421996 and 20201422014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193407 + ... + 278942.

It is an arithmetic number, because the mean of its divisors is an integer number (532999740).

Almost surely, 2^20201422032 is an apocalyptic number.

20201422032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20201422032 is an abundant number, since it is smaller than the sum of its proper divisors (43758546768).

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

20201422032 is a wasteful number, since it uses less digits than its factorization.

20201422032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472383 (or 472365 counting only the distinct ones).

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

Adding to 20201422032 its reverse (23022410202), we get a palindrome (43223832234).

The spelling of 20201422032 in words is "twenty billion, two hundred one million, four hundred twenty-two thousand, thirty-two".