203211420140 has 48 divisors (see below), whose sum is σ = 436738276128. Its totient is φ = 79381499904.

The previous prime is 203211420109. The next prime is 203211420161. The reversal of 203211420140 is 41024112302.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6755774 + ... + 6785786.

It is an arithmetic number, because the mean of its divisors is an integer number (9098714086).

Almost surely, 2^203211420140 is an apocalyptic number.

203211420140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203211420140 is an abundant number, since it is smaller than the sum of its proper divisors (233526855988).

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

203211420140 is a wasteful number, since it uses less digits than its factorization.

203211420140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37938 (or 37936 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 203211420140 its reverse (41024112302), we get a palindrome (244235532442).

The spelling of 203211420140 in words is "two hundred three billion, two hundred eleven million, four hundred twenty thousand, one hundred forty".