20100032212 has 48 divisors (see below), whose sum is σ = 41853030912. Its totient is φ = 8351608320.

The previous prime is 20100032191. The next prime is 20100032221. The reversal of 20100032212 is 21223000102.

It is a super-2 number, since 2×20100032212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 20100032192 and 20100032201.

It is a congruent number.

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, 473964 + ... + 514627.

It is an arithmetic number, because the mean of its divisors is an integer number (871938144).

Almost surely, 2^20100032212 is an apocalyptic number.

It is an amenable number.

20100032212 is an abundant number, since it is smaller than the sum of its proper divisors (21752998700).

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

20100032212 is a wasteful number, since it uses less digits than its factorization.

20100032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988648 (or 988646 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20100032212 its reverse (21223000102), we get a palindrome (41323032314).

The spelling of 20100032212 in words is "twenty billion, one hundred million, thirty-two thousand, two hundred twelve".