20210212029 has 32 divisors (see below), whose sum is σ = 30975678720. Its totient is φ = 11481656832.

The previous prime is 20210212019. The next prime is 20210212093. The reversal of 20210212029 is 92021201202.

It is a happy number.

It is not a de Polignac number, because 20210212029 - 2²⁸ = 19941776573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20210211996 and 20210212014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210212019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3830137 + ... + 3835409.

It is an arithmetic number, because the mean of its divisors is an integer number (967989960).

Almost surely, 2^20210212029 is an apocalyptic number.

It is an amenable number.

20210212029 is a deficient number, since it is larger than the sum of its proper divisors (10765466691).

20210212029 is a wasteful number, since it uses less digits than its factorization.

20210212029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 20210212029 in words is "twenty billion, two hundred ten million, two hundred twelve thousand, twenty-nine".