20202213400 has 48 divisors (see below), whose sum is σ = 47241730800. Its totient is φ = 8034161280.

The previous prime is 20202213397. The next prime is 20202213403. The reversal of 20202213400 is 431220202.

It is an interprime number because it is at equal distance from previous prime (20202213397) and next prime (20202213403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202213403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257340 + ... + 326539.

It is an arithmetic number, because the mean of its divisors is an integer number (984202725).

Almost surely, 2^20202213400 is an apocalyptic number.

20202213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202213400 is an abundant number, since it is smaller than the sum of its proper divisors (27039517400).

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

20202213400 is a wasteful number, since it uses less digits than its factorization.

20202213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584068 (or 584059 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20202213400 its reverse (431220202), we get a palindrome (20633433602).

The spelling of 20202213400 in words is "twenty billion, two hundred two million, two hundred thirteen thousand, four hundred".