200311210020 has 48 divisors (see below), whose sum is σ = 560896818048. Its totient is φ = 53413900800.

The previous prime is 200311210009. The next prime is 200311210031. The reversal of 200311210020 is 20012113002.

It is an interprime number because it is at equal distance from previous prime (200311210009) and next prime (200311210031).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200311209978 and 200311210005.

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, 1545777 + ... + 1670343.

It is an arithmetic number, because the mean of its divisors is an integer number (11685350376).

Almost surely, 2^200311210020 is an apocalyptic number.

200311210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200311210020 is an abundant number, since it is smaller than the sum of its proper divisors (360585608028).

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

200311210020 is a wasteful number, since it uses less digits than its factorization.

200311210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151380 (or 151378 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 200311210020 its reverse (20012113002), we get a palindrome (220323323022).

The spelling of 200311210020 in words is "two hundred billion, three hundred eleven million, two hundred ten thousand, twenty".