20010110212 has 24 divisors (see below), whose sum is σ = 35401740696. Its totient is φ = 9895461888.

The previous prime is 20010110191. The next prime is 20010110233. The reversal of 20010110212 is 21201101002.

It is an interprime number because it is at equal distance from previous prime (20010110191) and next prime (20010110233).

It can be written as a sum of positive squares in 4 ways, for example, as 8853680836 + 11156429376 = 94094^2 + 105624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609858 + ... + 641830.

It is an arithmetic number, because the mean of its divisors is an integer number (1475072529).

Almost surely, 2^20010110212 is an apocalyptic number.

It is an amenable number.

20010110212 is a deficient number, since it is larger than the sum of its proper divisors (15391630484).

20010110212 is a wasteful number, since it uses less digits than its factorization.

20010110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33687 (or 33685 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20010110212 its reverse (21201101002), we get a palindrome (41211211214).

The spelling of 20010110212 in words is "twenty billion, ten million, one hundred ten thousand, two hundred twelve".