20214211530 has 64 divisors (see below), whose sum is σ = 51292776960. Its totient is φ = 5084218944.

The previous prime is 20214211513. The next prime is 20214211541. The reversal of 20214211530 is 3511241202.

It is a super-2 number, since 2×20214211530² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20214211497 and 20214211506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51277 + ... + 207503.

It is an arithmetic number, because the mean of its divisors is an integer number (801449640).

Almost surely, 2^20214211530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20214211530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25646388480).

20214211530 is an abundant number, since it is smaller than the sum of its proper divisors (31078565430).

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

20214211530 is a wasteful number, since it uses less digits than its factorization.

20214211530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156483.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20214211530 its reverse (3511241202), we get a palindrome (23725452732).

The spelling of 20214211530 in words is "twenty billion, two hundred fourteen million, two hundred eleven thousand, five hundred thirty".