20253211000 has 64 divisors (see below), whose sum is σ = 51700952160. Its totient is φ = 7364800000.

The previous prime is 20253210983. The next prime is 20253211019. The reversal of 20253211000 is 11235202.

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, 909601 + ... + 931600.

Almost surely, 2^20253211000 is an apocalyptic number.

20253211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20253211000 is an abundant number, since it is smaller than the sum of its proper divisors (31447741160).

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

20253211000 is a wasteful number, since it uses less digits than its factorization.

20253211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841233 (or 1841219 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20253211000 its reverse (11235202), we get a palindrome (20264446202).

The spelling of 20253211000 in words is "twenty billion, two hundred fifty-three million, two hundred eleven thousand".