203202432020 has 48 divisors (see below), whose sum is σ = 487814358528. Its totient is φ = 69651045120.

The previous prime is 203202432019. The next prime is 203202432023. The reversal of 203202432020 is 20234202302.

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 = 203202431983 and 203202432001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203202432023) 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, 347285 + ... + 725955.

It is an arithmetic number, because the mean of its divisors is an integer number (10162799136).

Almost surely, 2^203202432020 is an apocalyptic number.

203202432020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203202432020 is an abundant number, since it is smaller than the sum of its proper divisors (284611926508).

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

203202432020 is a wasteful number, since it uses less digits than its factorization.

203202432020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382520 (or 382518 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 203202432020 its reverse (20234202302), we get a palindrome (223436634322).

The spelling of 203202432020 in words is "two hundred three billion, two hundred two million, four hundred thirty-two thousand, twenty".