20000420132331 has 16 divisors (see below), whose sum is σ = 26990355772800. Its totient is φ = 13172070826560.

The previous prime is 20000420132293. The next prime is 20000420132333. The reversal of 20000420132331 is 13323102400002.

It is not a de Polignac number, because 20000420132331 - 2¹⁷ = 20000420001259 is a prime.

It is a super-2 number, since 2×20000420132331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000420132298 and 20000420132307.

It is not an unprimeable number, because it can be changed into a prime (20000420132333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941695 + ... + 6394343.

It is an arithmetic number, because the mean of its divisors is an integer number (1686897235800).

Almost surely, 2^{20000420132331} is an apocalyptic number.

20000420132331 is a deficient number, since it is larger than the sum of its proper divisors (6989935640469).

20000420132331 is a wasteful number, since it uses less digits than its factorization.

20000420132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467466.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20000420132331 its reverse (13323102400002), we get a palindrome (33323522532333).

The spelling of 20000420132331 in words is "twenty trillion, four hundred twenty million, one hundred thirty-two thousand, three hundred thirty-one".