20420003332 has 24 divisors (see below), whose sum is σ = 36550926720. Its totient is φ = 9977543520.

The previous prime is 20420003327. The next prime is 20420003341. The reversal of 20420003332 is 23330002402.

It is a super-2 number, since 2×20420003332² (a number of 21 digits) contains 22 as substring.

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, 41482 + ... + 206302.

It is an arithmetic number, because the mean of its divisors is an integer number (1522955280).

Almost surely, 2^20420003332 is an apocalyptic number.

It is an amenable number.

20420003332 is a deficient number, since it is larger than the sum of its proper divisors (16130923388).

20420003332 is a wasteful number, since it uses less digits than its factorization.

20420003332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165531 (or 165529 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20420003332 its reverse (23330002402), we get a palindrome (43750005734).

The spelling of 20420003332 in words is "twenty billion, four hundred twenty million, three thousand, three hundred thirty-two".