20362253420 has 24 divisors (see below), whose sum is σ = 42842828448. Its totient is φ = 8129264000.

The previous prime is 20362253383. The next prime is 20362253447. The reversal of 20362253420 is 2435226302.

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, 966656 + ... + 987495.

It is an arithmetic number, because the mean of its divisors is an integer number (1785117852).

Almost surely, 2^20362253420 is an apocalyptic number.

20362253420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20362253420 is an abundant number, since it is smaller than the sum of its proper divisors (22480575028).

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

20362253420 is a wasteful number, since it uses less digits than its factorization.

20362253420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954681 (or 1954679 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20362253420 its reverse (2435226302), we get a palindrome (22797479722).

The spelling of 20362253420 in words is "twenty billion, three hundred sixty-two million, two hundred fifty-three thousand, four hundred twenty".