20200253420 has 24 divisors (see below), whose sum is σ = 42450402624. Its totient is φ = 8074411776.

The previous prime is 20200253419. The next prime is 20200253431. The reversal of 20200253420 is 2435200202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20200253392 and 20200253401.

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, 326429 + ... + 383348.

It is an arithmetic number, because the mean of its divisors is an integer number (1768766776).

Almost surely, 2^20200253420 is an apocalyptic number.

20200253420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200253420 is an abundant number, since it is smaller than the sum of its proper divisors (22250149204).

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

20200253420 is a wasteful number, since it uses less digits than its factorization.

20200253420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711209 (or 711207 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 20200253420 its reverse (2435200202), we get a palindrome (22635453622).

The spelling of 20200253420 in words is "twenty billion, two hundred million, two hundred fifty-three thousand, four hundred twenty".