20025023412 has 24 divisors (see below), whose sum is σ = 46744502112. Its totient is φ = 6672229600.

The previous prime is 20025023387. The next prime is 20025023437. The reversal of 20025023412 is 21432052002.

It is an interprime number because it is at equal distance from previous prime (20025023387) and next prime (20025023437).

It is a super-2 number, since 2×20025023412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317139 + ... + 375002.

It is an arithmetic number, because the mean of its divisors is an integer number (1947687588).

Almost surely, 2^20025023412 is an apocalyptic number.

It is an amenable number.

20025023412 is an abundant number, since it is smaller than the sum of its proper divisors (26719478700).

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

20025023412 is a wasteful number, since it uses less digits than its factorization.

20025023412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694559 (or 694557 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20025023412 its reverse (21432052002), we get a palindrome (41457075414).

The spelling of 20025023412 in words is "twenty billion, twenty-five million, twenty-three thousand, four hundred twelve".