20210420332 has 6 divisors (see below), whose sum is σ = 35368235588. Its totient is φ = 10105210164.

The previous prime is 20210420317. The next prime is 20210420371. The reversal of 20210420332 is 23302401202.

It is a super-2 number, since 2×20210420332² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526302538 + ... + 2526302545.

Almost surely, 2^20210420332 is an apocalyptic number.

It is an amenable number.

20210420332 is a deficient number, since it is larger than the sum of its proper divisors (15157815256).

20210420332 is a wasteful number, since it uses less digits than its factorization.

20210420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052605087 (or 5052605085 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20210420332 its reverse (23302401202), we get a palindrome (43512821534).

The spelling of 20210420332 in words is "twenty billion, two hundred ten million, four hundred twenty thousand, three hundred thirty-two".