20210664030 has 32 divisors (see below), whose sum is σ = 51358865184. Its totient is φ = 5072480256.

The previous prime is 20210664011. The next prime is 20210664037. The reversal of 20210664030 is 3046601202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210664037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19813867 + ... + 19814886.

It is an arithmetic number, because the mean of its divisors is an integer number (1604964537).

Almost surely, 2^20210664030 is an apocalyptic number.

20210664030 is an abundant number, since it is smaller than the sum of its proper divisors (31148201154).

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

20210664030 is a wasteful number, since it uses less digits than its factorization.

20210664030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39628780.

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 20210664030 in words is "twenty billion, two hundred ten million, six hundred sixty-four thousand, thirty".