20012022010020 has 48 divisors (see below), whose sum is σ = 56049094257408. Its totient is φ = 5335069428480.

The previous prime is 20012022010003. The next prime is 20012022010037. The reversal of 20012022010020 is 2001022021002.

It is an interprime number because it is at equal distance from previous prime (20012022010003) and next prime (20012022010037).

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 = 20012022009978 and 20012022010005.

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, 45710769 + ... + 46146488.

It is an arithmetic number, because the mean of its divisors is an integer number (1167689463696).

Almost surely, 2^{20012022010020} is an apocalyptic number.

20012022010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012022010020 is an abundant number, since it is smaller than the sum of its proper divisors (36037072247388).

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

20012022010020 is a wasteful number, since it uses less digits than its factorization.

20012022010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91860900 (or 91860898 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20012022010020 its reverse (2001022021002), we get a palindrome (22013044031022).

The spelling of 20012022010020 in words is "twenty trillion, twelve billion, twenty-two million, ten thousand, twenty".