20203419210 has 128 divisors (see below), whose sum is σ = 52773348096. Its totient is φ = 4920576000.

The previous prime is 20203419199. The next prime is 20203419227. The reversal of 20203419210 is 1291430202.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16934374 + ... + 16935566.

It is an arithmetic number, because the mean of its divisors is an integer number (412291782).

Almost surely, 2^20203419210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20203419210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26386674048).

20203419210 is an abundant number, since it is smaller than the sum of its proper divisors (32569928886).

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

20203419210 is a wasteful number, since it uses less digits than its factorization.

20203419210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20203419210 its reverse (1291430202), we get a palindrome (21494849412).

The spelling of 20203419210 in words is "twenty billion, two hundred three million, four hundred nineteen thousand, two hundred ten".