20201011210020 has 96 divisors (see below), whose sum is σ = 59946084374400. Its totient is φ = 5065314637824.

The previous prime is 20201011210013. The next prime is 20201011210087. The reversal of 20201011210020 is 2001211010202.

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 = 20201011209978 and 20201011210005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8172910 + ... + 10353669.

It is an arithmetic number, because the mean of its divisors is an integer number (624438378900).

Almost surely, 2^{20201011210020} is an apocalyptic number.

20201011210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201011210020 is an abundant number, since it is smaller than the sum of its proper divisors (39745073164380).

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

20201011210020 is a wasteful number, since it uses less digits than its factorization.

20201011210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18527677 (or 18527675 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20201011210020 its reverse (2001211010202), we get a palindrome (22202222220222).

The spelling of 20201011210020 in words is "twenty trillion, two hundred one billion, eleven million, two hundred ten thousand, twenty".